I am unable to run Disk Defragmenter.

When I try to defragment I get an error message that says: "cannot run because Disk Defragmenter scheduled Chkdsk /f..  If please run Chkdsk and try again. "I tried to run Chkdsk, nothing helps.  Can anyone help?


It's a shame that we don't know anything about your system, or you would be probably done now (it's not your fault), so the first response to a new problem is a bunch of questions.

Provide information on your system, the better you can:

What is your system brand and model?

What is your Version of XP and the Service Pack?

Describe your current antivirus and software anti malware situation: McAfee, Symantec, Norton, Spybot, AVG, Avira!, MSE, Panda, Trend Micro, CA, Defender, ZoneAlarm, PC Tools, Comodo, etc..

The question was preceded by a loss of power, aborted reboot or abnormal termination?  (this includes the plug pulling, buttons power, remove the battery, etc.)

The afflicted system has a working CD/DVD (internal or external) drive?

You have a true bootable XP installation CD (it is not the same as any recovery CD provided with your system)?

If the system works, what do you think might have changed since the last time it did not work properly?

What usually ends up happening, is that you will need run your chkdsk/r from the XP Recovery Console.  That's the short answer.

If you do not have a bootable XP installation CD authentic where you can boot into the Recovery Console, you can create a CD of bootable XP Recovery Console and run chkdsk /r from there (no media XP required).

On your question (simple copy/paste for me and a lot to read, but you will understand things when you're done and prevents you from losing time trying ideas that will not work):

When you try to defragment a volume of that Disk Defragmenter reports:

Disk Defragmenter has detected that Chkdsk is scheduled to run on the volume: (c :))
Please run Chkdsk /f.

This means that the volume that you want to defragment was marked 'dirty' XP.  This is not necessarily all of the data has been lost on the volume, it simply means that XP thinks that the volume should be checked to find errors because of something that happened before.

You won't be able to defragment the volume until the dirty bit has been removed.

This does not mean that a disk check is scheduled to run, and you can't cancel what needs to happen in this case because this isn't the problem.

Also the dirty bit is not set on a volume, you can still run a disk defrag with a record of date of arrival in the meantime (try).

Entry of commands to reset or erase a disc awaiting review is therefore a waste of time - that is not the problem.

A volume can be marked as dirty, if the system underwent a power interruption (power failure, pulling plug, removing the battery, button / stop), abandoned restart or an abnormal termination.  One of these events?

When XP starts, it automatically checks the bit of impurity on each volume.  You can also tell XP to ignore the bit of impurity on any volume, but this probably isn't a good idea in case there is a real problem that needs to be fixed.  If you have a hard drive where the dirty bit will not disappear, you can tell XP not to check.

If the starting XP detects that the volume is dirty, it will be automatically run the check disk with error correction (chkdsk/r) and try to fix the problems detected.

If the chkdsk command succeeds, it clears the dirty bit, and then you can defragment the volume.

You can check the status of your bit of impurity from a command prompt window.

To do this, click Start, run and enter in the box:


Click OK to open a command prompt window.

For example, to query the bit of impurity on drive C, type:

fsutil dirty query C:

The sample output:
Volume c is dirty
Volume C: is dirty

You cannot use fsutil or chkntfs from a command prompt to delete the bit of impurity on a volume.

The only thing that can clear the bit of impurity on a volume is chkdsk /r (or chkdsk/p).  You could tell XP not to check the bit of impurity on a volume where the dirty bit does not erase, but this probably isn't a good idea since there is some sort of problem on the volume.

You also won't solve this problem by editing your registry database - not where is the problem.

Once a volume is marked as dirty, the only way to clear the dirty bit is to run "chkdsk/r" or "chkdsk/p" when the volume is not in use.  The only way a volume can not be used while XP is just starting to load or from the XP Recovery Console.

If XP will not run chkdsk correctly when your system restarts or the dirty bit will not erase as it should, you need to look in the Event Viewer log chkdsk and see what is happening and fix it.

If XP will not always clear the dirty bit, you need to run chkdsk/r of the XP Recovery Console so you can look and see what works and run it again until it works.  If your hard drive fails, you may never be able to clear the dirty bit, in this case, you can also say XP never check the afflicted volume dirty bit.

Saying XP not to check the bit of impurity on a volume would be risky behavior because there would always be some kind of problem with your hard drive.

You can manually program the disk with error correction check to run at the next reboot of the system, but if the dirty bit has been set, XP should run check disk automatically with error correction during the next reboot.

This is usually the case that after a reboot, the problems will be resolved since XP will automatically run check disk on the Sales volumes when it restarts.  If you do not check that the chkdsk results of newspapers after his execution on a restart, you will never know what problems are corrected or remain.

When you choose to run the check disk with error correction in the Tools menu of disk properties, you will be prompted with a message similar to the following:

The disk check cannot be performed because the disk check utility needs exclusive access to some Windows files on the disk
These files can be access only by restarting Windows.  You want to schedule the disk check to occur the next time that you restart Windows?

Answer Yes, if you want to schedule the check disk on the next reboot of Windows.

When you choose to run the check disk with error correction in the command prompt window, you will be prompted with a message similar to the following:

The type of the file system is NTFS.
Cannot lock the current drive.

Chkdsk cannot run because the volume is in use by another process.  You want to schedule this volume to be
check the next time the system restarts? (Y/N)

Answer Yes, if you want to schedule the check disk on the next reboot of Windows.

When XP restarts, let the disc over to check and correct the problems, he could find.  Do not interrupt the disk check.  It can take a long time (hours or days) to complete or they seem to be "stuck".  Be patient.  If the HARD drive light flashes, it's something.  Keep an eye on the amount of the percentage to be sure that it is still making progress.  It may even seem to go back sometime.

Is there a problem with the chkdsk command that works on reboot and it doesn't really seem to do something (too fast) or not to clear the dirty bit (check the dirty bit), the command chkdsk which took to restart results in the Event Viewer Application log.  Look there to see what happened.

When chkdsk runs automatically reboot, you may wonder where to find the results.  The results appear in the Event Viewer Application log.

You will need to get there after the disk check performed and XP has finished loading for the results and all the problems.

To view the logs in Event Viewer, click Start, settings, Control Panel, administrative tools, event viewer.

A shortcut to the event viewer is to click on start, run and enter in the box:


Click OK to launch the event viewer.

Look in the Application log for a proposed Winlogon event, something like this successful race:

Event type: Information
Event source: Winlogon
Event category: no
Event ID: 1001

Checking file system on C:

The type of the file system is NTFS.

A disk check has been programmed.

Windows will now check the disk.
39070048 KB total disk space.
25151976 KB in 78653 files.
48256 KB in 10264 index.
0 KB in bad sectors.
237080 KB in use by the system.
65536 KB occupied by the log file.
13632736 KB available on disk.

Windows has finished checking your disk.

If you see errors - same errors that are corrected, you must run the disk checking with correction of error again (chkdsk/r) until you see no error.  You should have no errors.

If you need help interpreting your event, post it here for analysis.

If you double-click on an event, it will open a window of properties with more information.  On the right are black up and down arrow keys to scroll through the open events. The third button that looks like two overlapping pages is used to copy the details of the event in your Windows Clipboard.

When you find an interesting event that occurred at the time of your question, click on the third button at the top and arrows to copy the details and then you can paste the details (right click, paste or CTRL-V) the text in detail here for analysis.  Remove all personal information from your information after you paste If you are forced to do so.

If the chkdsk command that runs on every reboot XP does not clear the dirty bit, you must run chkdsk/r from the XP Recovery Console and see if that will clear things upward.  It is a good idea because you can watch chkdsk as it works and see the results on your screen instead of looking in the event viewer connects or wondering what happened (she also just 'feels' better when we see that it works).

If you have no authentic XP bootable installation CD to boot into the XP Recovery Console, you can create a CD bootable XP (no XP media required) Recovery Console, and then run chkdsk /r manually.

Need instructions on how to create a CD of bootable XP Recovery Console to run chkdsk/r manually?

Tags: Windows

Similar Questions

  • Run Disk Defragmenter has released more than 30 GB of free space!

    I'm not used to run Disk Defragmenter Windows very often, but in recent weeks I have been through the very large import of my cd collection process on iTunes. My 'C' drive has a capacity of 222GB and I was at 9.68 GB of free space. I ran WDD but after 18 hours, he had still not finished! So I decided to cancel defragmentation, and after checking my 'C' drive, I found to my great astonishment that I now had 42.8 GB of free space! Then, I downloaded the DiskDefrag Auslogics free and running. She performed in a few minutes and showed the Windows defragmentation had done most of the work but for some reason any had not finished. Anyone know why?

    I have decided to disabled Windows Defrag and will use in the future, the Auslogics version he gives information about the status of the defragmentation and seems to be much more effective and faster.

    However, I am very surprised by the amount of free space that freed the defragmentation process. I searched on various forums of pc and other posters have said the complete opposite to my own experience. The common consensus seems to be that defraging reduces the amount of free space on a drive rather than increase it!

    There also seems to be a difference of opinion on the amount of free space should be left on a hard drive to allow the computer to function effectively. I was a little more than 4% before I defragmented but I saw messages advising that we should let betweeen 10% and up to 50% (which seems to me to be silly!)

    I would be grateful for any help anyone can give me, in particular, why the defragmentation released (in my case) as much free space.

    A common mistake in logic. You assume that two things are related, because they are close in time.

    Defrag does not change the amount of disk space. It only increases or decreases the free space or used.

    Windows defragmentation runs every three days and optimizes the program and load the system boot. This is not controllable. It is also not a defragmentation of data file.

    Using another Defragmenter will fight with Windows.

    NTFS (and FAT32) resist fragmentation. Most fragmented files are log files and will fragment 1 second after defragmentation.

    Windows only writes files where there are a lot of space to write prevention of fragmentation. Do not fragment the files that do not change. Disk cache makes the fragmentation irrelevent.

    Any recommendation on the free space are based on the best estimate on the way an average person uses a computer. Lack of free space does not work computer until it has zero. However, most people like to save their work and some Windows watchdog is going spastic, just before that you can't do anything.

    As to why you have noticed a change in the use of the disc.

    1. system restore - this could be it.

    2 disk Cleanup - it will take place in itself is space is extremely low

    3 log files are created, deleted, written, etc.

    4. Windows automatically repairs physical disk errors. If defrag was having problems, you can check there is no car repair files.

    It's a way see what may have disk operations occurred.

    Start - All Programs - Accessories - right on command prompt and choose run as administrator. Type (or copy and paste by clicking in the command prompt window and choose Paste).
    change c:\bootex.log
    What is this file exist with something in it?
    The following commands query the event logs.
    To start verification by using the name of the source for any version of Windows (because it varies).
    WMIC /append:"%userprofile%\desktop\DiskEvents.html" PATH Win32_NTLogEvent where (sourcename = "Autocheck" or sourcename = 'Winlogon' or sourcename = "WinInit") get format:HForm
    To run chkdsk in Windows.
    WMIC /append:"%userprofile%\desktop\DiskEvents.html" PATH Win32_NTLogEvent where (sourcename = "Chkdsk") to / format: HForm
    For warnings about disk problems detected during normal operations and automatic repairs by Windows at the time where the problems were discovered.

    WMIC /append:"%userprofile%\desktop\DiskEvents.html" PATH Win32_NTLogEvent where (sourcename = "NTFS" or Sourcename = 'Disc') to / format: HForm
    Then to view the created file.
    Start "" "% userprofile%\desktop\DiskEvents.html"

  • I can not run Disk Defragmenter

    I want to start Disk Defragmenter, but I always get "view and follow the download" screen pop up and nothing run!. Why is this? Help, please.


    See if this helps you:

    "How to run Disk Defragmenter from the Vista command prompt"



    Information on defragmentation;

    The Vista defrag works quietly in the background without intervention on your part


    In Windows Vista, there are a lot of improvements in the defrag engine and handling of fragmentation. By default, Windows Vista uses Task Scheduler to automatically keep the defragmented hard drive. This Automatic defragmentation does not affect the performance of the Windows Vista operating system...

    If you want to use a much better defragmentation program which is free and where you can see the results, I suggest this one:


    See you soon.

  • I started to run Disk Defragmenter on my laptop with Windows Vista to 7:45 last night. She is still ongoing at 10:55 the next day. That is what it is? I can't believe that it takes more than 12 hours to defragment a hard drive.


    Hi Augie,

    Welcome to the Microsoft Answers site!

    1. you run defrag disk for the first time?

    Disk Defragmenter is a tool that rearranges the data on your hard drive and brings together fragmented files so that your computer can run more efficiently. We must keep in mind that the Disk Defragmenter uses disk access low priority and processor so that it is not influence your current running programs. This automatically translates a slower process. Disk defragmentation can take a long time if you run it for the first time and also depend on the space of hard disk and available data. If may take up to 15-16 hours, depending on the data and the bad clusters on the hard drive.

    Try the suggested methods.

    Method 1

    If you want to reduce the number of unnecessary files on your hard disk to free up disk space and help your computer run faster, use disk cleanup. It removes temporary files, empty the Recycle Bin, and removes a variety of file system and other items that you no longer need.


    Method 2

    You can run a disk scan command to remove bad sectors on the hard drive, then run Disk Defragmenter.

    1. open the computer by clicking the Start button, click computer.

    2. right click on the hard drive you want to check, and then click Properties.

    3. click on the sur l' onglet tab Tools and then, under error-checking, click check now.  If you are prompted for an administrator password or a confirmation, type the password or provide confirmation.

    To automatically repair problems with files and folders that detects the scanning, select automatically fix file system errors. Otherwise, the disk check will simply report a problem, but not to fix them.

    To perform a full disk check, select search for and attempt recovery of bad sectors. This scan is trying to find and repair physical errors on the hard drive itself, and it may take much longer to complete.

    To check for errors file and the physical errors, select automatically fix file system errors and search for and attempt recovery of bad sectors.

    4. click on Start.

    Depending on the size of your hard disk, this may take several minutes. For best results, do not use your computer for any other tasks while it checks errors.


    Check your hard disk for errors

    Kind regards
    Bindu S - Microsoft Support
    Visit our Microsoft answers feedback Forum and let us know what you think

  • I get an error message whenever I try to run Disk Defragmenter

    original title: I get an error message whenever I try to run the Defragmenter of disck

    It says disck Defragmenter is already programmed to run on volume C please run Chdsk/F I checcked my schedule the task and it does not appear as being planned how to fix this?

    Disk Defragmenter may not work on a drive when it detects errors on the disk.  If you need check your drive for errors.  This is usually by running "chkdsk" even if a disk check can be scheduled graphically as well.  Because the disk check must be performed when nothing else is using the drive, reboot and chkdsk runs before Windows loads on this disc.  For more information:

    "How to perform disk error in Windows XP check"
      <>http://support.Microsoft.com/kb/315265 >


  • Queries on running Disk Defragmenter

    I put my computer to run at the scheduled time every month Disk Defragmenter, but as I am not the kind of person who normally prevents their pc on all day, I find that the programme rarely works. Recently, I ran a manual defragmentation ' but it took several hours. When the program began, I had a spinning cursor indicating that the defragmentation process is running. A few hours later, the rotation slider disappeared and a symbol of the tick has indicated that the scheduled defragmentation has been activated. However, I am not convinced that the program has completed successfully. I say it's because I don't have a message that the program was complete. Nor I have gave me the option to view a report.

    I would appreciate help with the following: -.

    (1) of the information given, it does not appear that the program competed properly?

    (2) for the delivery of the program, I avoided to use the pc (outside playing CD on Windows Media Player). I also disabled the function of sleep, I read that it slows the defragmentation? Is it correct, and must also be turned off the display screen and the screen saver?

    (3) when a scheduled defragmentation takes place, is their any indication to that effect, or it's running in the background?

    (3) what happens if a scheduled defrag starts and is then interrupted for any reason any. He continues the next time the computer is turned on? Or it starts from scratch?

    (4) ideally, how often should launch Disk Defragmenter?

    I would be grateful for any help you can give, as I consulted him several Web sites and computer books but have found no answer to these questions.


    Thanks a lot for clearing that for me.



  • Impossible to schedule a later date to run Disk Defragmenter

    At Norton, uninstalled, but I still have this problem: when I put the date for the future performance of Disk Defragmenter, it seems to take.  But when I close DD & reopen, the future date becomes 'never' - which isn't even a user option.

    Fix for that?  The impression that the computer has been 'hijacked '.

    Thank you!

    Use the removal tool Norton to remove fragments of Norton left behind:http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2005033108162039.  See if it works after that you did.

    If this doesn't resolve the problem, try to set up the defragmentation as a scheduled task in the Task Manager.  Here's how to create the task:http://www.vistax64.com/tutorials/132903-task-scheduler-create-task.html.  That should solve the problem (even if the function in Disk Defragmenter does not work - the task is always done).

    I hope this helps.

    Good luck!

    Lorien - MCSA/MCSE/network + / has + - if this post solves your problem, please click the 'Mark as answer' or 'Useful' button at the top of this message. Marking a post as answer, or relatively useful, you help others find the answer more quickly.

  • Can not run disk defragmentation.

    I try to run defrag and a message says Ineed to run the disk check. I try to run the disk check, and I get a message that it will not work because something else is running. I can't find what is running.

    When you use the /f or/r parameters to run Chkdsk on the boot volume, Chkdsk displays the following message:

    Note: Some lines in the following code been displayed on multiple lines for better readability.

    Chkdsk cannot run because the volume is in use by another process. You want to schedule this volume to check the next time the system restarts? (Y/N)

    Chkdsk cannot get the exclusive use of the boot volume, because it contains the Windows XP operating system files. Therefore, Chkdsk should always reboot the computer to check the boot volume. If you press the buttonthere , a version of Chkdsk called Autochk runs the next time the computer restarts. After that Autochk checks the boot volume, the computer restarts automatically.

    Source: http://technet.microsoft.com/en-us/library/bb457122.aspx

    Hope this helps, Gerry Cornell

  • After you run the XP Disk Defragmenter, system crashes or runs very slowly

    When I run Disk Defragmenter after its finished to start my computer hangs up and slow real execution.

    Also, some installed start programs acting weird. like taking a lot of time to load up or when I use them that they cling

    or stop responding all together.

    To work the way they are supposed to do, I have to uninstall and then reinstall. Why is this happening?

    I thought that the operation of Disk Defragmenter only deleted of fragmented files that are no longer in use, or not is more necessary.

    So nobody knows what is happening here?

    Thank you.

    Kittycast of Kittyville http://justin.tv/marksr

    I agree with Gerry Cornel, this stemmed not Disk Defragmenter.

    There is nothing wrong with the Disk Defragmenter - it works well for what it was intended: temporary, occasional use. If anything, it gets abused and forced to do jobs he was supposed to never do, like defragmentation huge disks that get heavy use and therefore are strongly defragmented, etc..

    Here is a routine that I've compiled over the years to troubleshoot issues with Disk Defragmenter that proved very useful if you want to continue with this problem:

    There are several reasons why the built-in Defragmenter may not work correctly:

    0. it is malware on the system. Solution: Run an anti-virus control and also a spyware check.

    1. the disk is too full (you need at least 15% free space, sometimes 20%). Solution: Delete files unnecessary and programs until you have more than 20% free space.

    2. the disc is damaged and must be repaired. Solution:

    a. open "My computer" and right-click on the drive that you want to disable frag.
    b. Select 'Properties' and click on 'tools '.
    c. Select "Check now" to check the drive for errors.
    d. Select the two options and click on 'start '.

    (This can take time and can restart the PC so that it can do the check at boot time. Be patient and let it complete).

    3. Disk Defragmenter can be altered, needing a system restore to fix it. Solution:

    a. start - all programs - Accessories - System Tools - System Restore (click here to open);
    b. Select a good restore point before you start having problems with Disk Defragmenter.
    c. start the restore process and let an end (descriptive name of something restore operation as "Repair Defrag").

    4. There are other programs that run the Defragmenter interruption integrated. Solution:
    a. close all running programs.
    b. If you think there may be some programs that run in the background.
    c. press Ctrl + Alt + Delete and
    d. Select "start Task Manager".
    e. under the 'Applications' tab, you will find a list of all running applications - you can close these by selecting "end task."

    5. If still no luck, try disabling the screen saver when you run Disk Defrag (you should very well leave the system only when running the built-in defragmentation utility).

    6. If still no go, try to run the defragmenter in Mode without failure. If she runs, something interferes with her and stalking interference may not be easy. Note: Some versions of Windows 7 disables the ability to run the Defragmenter built-in in safe mode. If disabled, it will say when you try to start it in safe mode.

    7 Disk Defragmenter may no longer be on the system or is damaged while it needs a re - install. Solution: Reinstall the built-in function.

    There are several ways to re - install the built-in Defragmenter:

    a. open the menu 'start '.
    b. type '% Windir%\Inf' in the 'Search' box and press 'Enter '.
    c. in the window that opens, find the file named "dfrg.inf.
    d. right-click on "dfrg.inf" and "install".

    a. go into "start > run" on your computer.
    b. Type "rundll32.exe setupapi, InstallHinfSection DefaultInstall 132% windir%\inf\dfrg.inf" and press "Enter."
    3. click 'OK' to make the program automatically reinstall itself.

    a. go to start > all programs > Accessories > right click on command prompt > select 'run as administrator '.
    b. at the command prompt, type "regsvr32 dfrgsnap.dll" and press "enter."
    c. type 'regsvr32 dfrgui.dll' and press 'Enter '. This will reinstall the missing Defragmenter files.

    8. most of the problems will be solved by #6 above, but if not, and if your windows installation is otherwise working well, you should consider to download a free trial of a Defrag tool commercial rather than drastic measures to restore the functionality built-s. Third-party programs are more robust and many work in the background, so you can use your PC during defragmentation.

    Most third party programs offer a free, fully functional trial (better ones are for 30 days). Install one of them allows you to disable built-in and if you decide to uninstall, removal will replace the built-in function, repaired several times in the process: it's worth a try...

    Here's a recent Top 10 comments side-by-side comparison of the best available defragmentation programs:


    The gold medal is the only defrag program that also prevents the fragmentation (see comment).

    Why is it good to prevent fragmentation?

    Basically, it significantly increases life expectancy of your hard drive (especially since you don't have to leave the system on all night - a much 'greener' agricultural practice), not to mention it also increases the performance of the system.

    Find out what the review has to say on this.

    Good luck to you!

    Bill R TechSpec

    PS: If still no go, repair may involve editing the registry or repair installation of windows and possibly re - install windows itself. These aren't simple solutions. If so, indicate if they can be provided.

  • Disk defragmentation is running very slow or does not work properly under Vista

    Disk Defragmenter takes a long time (more than 2 hours) and doesn't seem to work properly.  I'm not sure what to do or how to report this to get help to fix the problem.  Any advice would be appreciated.

    Thank you


    * original title - how to solve a problem with the Windows Disk Defragmenter? *


    1st race SFC and CheckDisk to ensure the integrity of disk and file. It is possible that you have something
    stop defragmentation run then after that these see the next message.

    Follow these steps to remove corruption and missing/damaged file system repair or replacement.

    Run DiskCleanup - start - all programs - Accessories - System Tools - Disk Cleanup

    Start - type in the search box - find command top - RIGHT CLICK – RUN AS ADMIN


    How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
    generates in Windows Vista cbs.log

    Then, run checkdisk - schedule it to run at next boot, then apply OK your way out, then restart.

    How to run the check disk at startup in Vista

    How to difficulty Chkdsk will not run at startup in Vista


    Here are excellent free 3rd defragmenters party which I use.

    Very powerful - FREE - MyDefrag

    Defraggler - free - defragment your entire hard drive or individual files - unique in the industry.
    This compact and portable Windows application supports NTFS and FAT32 file systems.

    Auslogics Disk Defrag - FREE - works easily and does a great job

    Also check out these and other "related links" here:

    How to run Disk Defragmenter from the Vista command prompt

    How to change the planning for Disk Defragmenter in Vista

    How to have a task to wake the computer to run in Vista Task Scheduler

    I hope this helps.

  • Disk Defragmenter could not start the service task scheduler is not running. Start the Task Scheduler service, and then try again.

    im getting this message if I want to run Disk Defragmenter... "Disk Defragmenter cannot start the Task Scheduler service is not running. Start the Task Scheduler service and try again. "tried to start the Task Scheduler on services.msc, but it gives me the message" windows could not start the Task Scheduler on the computer local error 2: the system cannot find the file specified. '. »


    See if run the checker (SFC.exe) system files using the parameter/scannow help.

    How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7:
    Ramesh Srinivasan, Microsoft MVP [Windows Desktop Experience]

  • Chkdsk Disk Defragmenter error.

    Try to run disk defragmentation, when I hit Analyze or Defragmenter, I get an error window that says: "Disk Defragmenter has detected that Chkdsk is scheduled to run on the volume (c). Please run Chkdsk /f."I ran the Chkdsk program, restarted, but still the same message. Can anyone help?

    I am running Windows XP.

    Hi rooneytune.  You posted in the Windows 7 Forum, but I'll try to help anyway.  I don't know that a moderator will move this topic when it will be considered.

    You can have what is called a "dirty bit" located on your volume.  This can happen for various reasons, one being an abnormal termination.

    Lets you know.  Go to start > run and type:


    and then click ok.  A command prompt will open.  Type the command after the command prompt and press enter below:

    fsutil dirty query c:

    He pointed out a little dirty?

    If so, type the command below and press ENTER:

    chkntfs /x c:

    and reboot.  This will stop chkdsk to run at the next reboot.

    Once you have restarted, open a command again and type the command below and press ENTER:

    CHKDSK c: /f /r

    Reboot again and chkdsk should run all the 5 steps and hopefully clear the dirty bit.

    If a dirty bit is not reported, just try the last step I posted.  Good luck.

    MVP (Windows desktop experience)

  • When running the defragmentation, showing a bar with files which is displaced

    While you run Disk Defragmenter to botom of window bar indicates progress and moved the files. I looked at the names of files that is displaced, and some are very strange. Recently a few names were similar.  names cannot be exactly as show, but very similar. Really not sure if this may indicate any adware or spyware.

    You can see the files in your browser cache internet or other temporary files.  For best results, you need to "clean" your as much as possible before you run Disk Defragmenter.

    You can use the built-in Disk Cleanup tool (start > run > cleanmgr > OK) or an application such as Ccleaner or ATF-Cleaner.  With any of these cleaning products, including the built-in Disk Cleanup tool, you will need to exercise judgment a little in what you remove.  Do not use the 'Register' tool that comes with Ccleaner.  Do not delete the files 'Prefetch' offered by ATF-Cleaner.

    You can delete your temporary Internet (aka browser cache) files directly from the browser.  For IE, start by clicking Tools > Internet Options.  Where to go from there depends on what version of Internet Explorer you have.  For Firefox, Options > advanced > network > clear now (under storage offline)

    If you have multiple user accounts, log on to each of them and use the disk cleaner of your choice.

  • For windows XP Disk Defragmenter it please help...

    How can I get my Defragmenter to work after receiving the error message: (c) defragmentation was interrupted because of contradictions that were detected in the file system. Please run CHKDSK or SCANDISK on (c) to repair these inconsistencies, then run Disk Defragmenter. I ran CHKDSK and SCANDISK but I still get the message.

    Have you run "chkdsk" with the /F or/r option?
    If not, start-> Run-> "cmd".
    Then, enter the command:
    CHKDSK c: /R
    It will then complain that it cannot check the drive as it is in use and offers to do the next time.  Answer 'Y' to this request, then restart.  The chkdsk operation will take more than two hours to complete.


  • Disk Defragmenter is missing on my laptop

    Original title: DEFRAGMENTER DISK IS MISSING...!

    I used a windows vista laptop, but my Disk Defragmenter was missing when I want the Defragmenter files... If anyone can help me... maybe I was deleted it... in any case can set it up again?

    Hi Wendylau,

    Have you been able to see on the computer disk defragmenter earlier?

    Step 1

    I suggest to find the defrag.exe or defragment the file to the following location and check if you can run from this location Disk Defragmenter.

    1. Click Start.
    2. Click on computer.
    3. Navigate to the location of the suite.
    4. C drive > Windows > System 32.
    5. Check defrag.exe or defragment the file.
    6. If you find the files try to run from there and check if you can run Disk Defragmenter.

    If you want the file to put it in the start menu, on the right, click on defragment or defrag.exe and click on PIN to the start menu and check if it appears in the start menu.

    Access the link below to find out how to run on the computer Disk Defragmenter.


    Step 2

    If the steps above do not help, you can try to runSystem File Checker (SFC scan). The System File Checker tool to determine if the problem that you are experiencing is caused by one or more system files that are used by Windows Vista, the System File Checker utility analyzes the system files and replaces incorrect system files versions using the correct versions.

    To run the System File Checker tool, follow these steps:

    a. Click Start and type cmd in the box start the search.

    b. right click on cmd in the list programs, and then click Run as administrator.

    If you are prompted for an administrator password or a confirmation, type your password or click on continue

    c. at the command prompts, the following line and press ENTER: sfc/scannow

    When the analysis is complete, check to see if you can find Disk Defragmenter is again on the computer. Access the link below for more information about the System File Checker tool


    I hope this helps. Let us know the results.

    Thank you and best regards,


    Srinivas R

    Microsoft technical support.

    Visit our Microsoft answers feedback Forum and let us know what you think.

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