Windows cannot find C:\WINDOWS\system32\dfrgui.exe

When I try to defrag I get the message that cannot find C:\WINDOWS\system32\dfrgui.exe

I am also unable to back up data on external hard drive

Hello

It is the result of malware, then do a very thorough check and when the system is
clean see the following message to remove this error.

If you need search malware here's my recommendations - they will allow you to
scrutiny and the withdrawal without ending up with a load of spyware programs running
resident who can cause as many questions as the malware and may be more difficult to detect as the
cause.

No one program cannot be used to detect and remove any malware. Added that often easy
to detect malicious software often comes with a much harder to detect and remove the payload. Then
its best to be thorough than paying the high price later now too. Check with them to one
extreme overkill point and then run the cleaning only when you are sure that the system is clean.

It can be made repeatedly in Mode safe - F8 tap that you start, however, you must also run
the regular windows when you can.

Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
(If Rootkits run UnHackMe)

Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

Malwarebytes - free
http://www.Malwarebytes.org/

Run the malware removal tool from Microsoft

Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

You should get this tool and its updates via Windows updates - if necessary, you can
Download it here.

Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
(Then run MRT as shown above.)

Microsoft Malicious - 32-bit removal tool
http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

Microsoft Malicious removal tool - 64 bit
http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

also install Prevx to be sure that it is all gone.

Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
here or use Google to see how to remove.
http://www.prevx.com/   <-->
http://info.prevx.com/downloadcsi.asp  <-->

Choice of PCmag editor - Prevx-
http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

Try the demo version of Hitman Pro:

Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
(viruses, Trojans, rootkits, etc.). who infected your computer despite safe
what you have done (such as antivirus, firewall, etc.).
http://www.SurfRight.nl/en/hitmanpro

--------------------------------------------------------

If necessary here are some free online scanners to help the

http://www.eset.com/onlinescan/

New Vista and Windows 7 version
http://OneCare.live.com/site/en-us/Center/whatsnew.htm

Original version
http://OneCare.live.com/site/en-us/default.htm

http://www.Kaspersky.com/virusscanner

Other tests free online
http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

--------------------------------------------------------

Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
system files.

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

Start - type this into the search-> find COMMAND to top box and RIGHT CLICK-
RUN AS ADMIN

Enter this at the command prompt - sfc/scannow

How to analyze the log file entries that the Microsoft Windows Resource Checker
(SFC.exe) program generates in Windows Vista cbs.log
http://support.Microsoft.com/kb/928228

Run checkdisk - schedule it to run at the next startup, then apply OK then restart your way.

How to run the check disk at startup in Vista
http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

-----------------------------------------------------------------------

If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

I hope this helps and happy holidays!

Rob Brown - MS MVP - Windows Desktop Experience: Bike - Mark Twain said it right.

Tags: Windows

Similar Questions

  • C:/Windows/System32/dfrgui.exe/remove

    IM tryin to defrag my computer, but it says its used by another program... and I can not find it someone can help please?

    Hi Steve,.

    1. Since when are you facing this problem?
    2. What is the brand and model of the computer?
    3. Using Solid State Drive?

    Try the following steps:

    Method 1:

    The Task Manager displays the programs, processes and services that are running on your computer. Open Task Manager and check if "dfrgui.exe" figure process tab. If so if please close the tree of processes by a right click on it and select end process tree.

    Now try to run defragmentation again.

    Method 2:

    Run Disk Defragmenter from the prompt in elevated mode.

    a. click the Start button.

    (b) in the search box, type command prompt.

    c. in the list of results, right-click guestand then click run as administrator. If you are prompted for an administrator password or a confirmation, type the password or provide confirmation.

    d.In the type defrag c: command line and press ENTER.

    Please post back with the State of the question.

  • C:\Windows\system32\dfrgui.exe or rstrui.exe, windows 7

    I can't run the defragmention program

    You have a problem with your sys files, try http://support.microsoft.com/kb/929833

    Have you installed third-party maintenance utilities / optimizers on this PC?

  • Windows cannot find C:\WINDOWS\system32\rundll.exe. Make sure you typed the name correstly and then try again. To search for a file check the Start button and then click search.

    I tried to launch my Spysweeper and found that is not there, then I re downloaded and I could not install it because it was already on my computer.  I went to the control panel to remove and got the message:

    Windows cannot find C:\WINDOWS\system32\rundll32.exe.  Make sure you typed the name correctly and then try again.  To search for a file, select the Start button and then check the search...

    What should I do?

    Hi gsrow,

    You can go there!

    Cannot find the Rundll32.exe file when you open the control panel:
    http://support.Microsoft.com/kb/812340

    Alternatively, copy the folder C:\Windows\System32\DllCache Rundll32.exe file to the System32 folder. Ramesh Srinivasan, Microsoft MVP [Windows Desktop Experience]

  • I have the Windows cannot find C:\WINDOWS\system32\rundll32.exe problem and I do not have my disk

    I have the Windows cannot find C:\WINDOWS\system32\rundll32.exe problem and I do not have my disk

    Hello

    • When you receive this error message?
    • What were the changes made before the issue started?

    Try the SFC scan on the computer.

    SFC/scannow is a very useful command that you can use in any version of Windows. When the SFC (System File Checker) command is used with the/scannow switch, the tool analyzes all the important files of Windows on your computer and replace if necessary.

    Missing and the corruption of the operating system (like many DLLs) files are probably the main cause of the major problems of Windows. In view of this, plus the fact that the SFC/scannow is completely automatic and very easy to use, the tool should be usually one of your top not troubleshooting.

    Reference:

    How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7

    http://support.Microsoft.com/kb/929833

  • Error 'Windows cannot find c:\windows\system32\control.exe' when you try to start Control Panel.

    Original title: windows cannot find c:\windows\system32\control.exe

    Using Windows Vista 32-bit SP2. I get the message: windows cannot find c:\windows\system32\control.exe when you try to start Control Panel. I have to solve as soon as POSSIBLE

    Hello

    1. What is the brand and model of the computer?

    2. What is the security software installed on the computer?

    3. have you made changes on the computer recently?

    Method 1.

    Start the computer in safe mode and check.

    Start your computer in safe mode: http://windows.microsoft.com/en-SG/windows-vista/Start-your-computer-in-safe-mode

    If you are able to open in safe mode control panel, and then start the computer in a clean boot state and check.

    Affecting system boot minimum state helps in the identification of third-party applications or startup items are causing the problem.

    How to troubleshoot a problem by performing a clean boot in Windows Vista or Windows 7:
    http://support.Microsoft.com/kb/929135

    Note: After the boot minimum troubleshooting step, follow step 7 in the link provided to return the computer to a Normal startup mode.

    Method 2.

    I suggest that you can exercise SFC scan and check if TI the problem persists. To do this, please see the following article. The SFC/SCANNOW command analyzes all protected system files and replaces incorrect versions with appropriate Microsoft versions.

    For more information how to make SFC / scan, please follow this link: http://support.microsoft.com/kb/929833

    Method 3.

    You can run the Microsoft Safety Scanner to make sure that the computer is virus-free.

    Microsoft safety scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx

    Warning of Security Scanner: there could be a loss of data while performing an analysis using the Microsoft safety scanner to eliminate viruses as appropriate.

    I hope this helps.

  • When you change any personalsettings such as theme, display, screen saver or any of those things I get the warning: «Cannot find file C:\Windows\system32\rundll32.exe...» »

    Original title: rundll.exe error

    Hi all

    I have a problem with my file rundll.exe. When you change any personalsettings such as theme, display, screen saver or any of those things I get the warning: "cannot find C:\Windows\system32\rundll32.exe file. Check if you have entered the correct name, and then try again. "(Sorry for any incorrect translation. I have a Dutch version of Windows).

    Is there anyone who can help me with this problem? I searched on several forums, but no luck so far.
    If it helps, I have Windows Vista Home Premium 32 BIT

    Rgds,
    Robert

    Hi Robert,.

    You can try the following steps.

    1 put the CD ROM Windows XP disc in the CD-ROM drive.
    2. click on start and then click Run.
    3. type expand X: \i386\rundll32.ex_ c:\windows\system32\rundll32.exe in the Open box, where X is the letter of your CD drive.
    4 restart the computer.

    Good luck Robert.

  • Windows cannot find C:\WINDOWS\system32\rundll32.exe error message

    original title: I still need help... help please! Windows cannot find C:\WINDOWS\system32\rundll32.exe

    Hello, I have windows vista and when I try to open certain programs, like Adobe or change the time in the control panel............... etc... the computer says... error loading Rundll specified module could not be found or Windows cannot find C:\WINDOWS\system32\rundll32.exe.   I looked at the website of the doug knoxs, but all the EXE patches are for XP and it would not have worked... im a little stuck... What can I do?

    I tried running a scan in command line but it does not help... affecting its programs to update like spotify and adobe and I can not change the settings of the clock...

    any ideas...

    Thank you
    Ollie

    Hello

    Rundll32 errors can be caused by malware.

    If you need search malware here's my recommendations - they will allow you to
    scrutiny and the withdrawal without ending up with a load of spyware programs running
    resident who can cause as many questions as the malware and may be more difficult to detect as the
    cause.

    No one program cannot be used to detect and remove any malware. Added that often easy
    to detect malicious software often comes with a much harder to detect and remove the payload. Then
    its best to be thorough than paying the high price later now too. Check with them to one
    extreme overkill point and then run the cleaning only when you are sure that the system is clean.

    It can be made repeatedly in Mode safe - F8 tap that you start, however, you must also run
    the regular windows when you can.

    TDSSKiller.exe. - Download the desktop - so go ahead and right-click on it - RUN AS ADMIN
    It will display all the infections in the report after you run - if it will not run changed the name of
    TDSSKiller.exe to tdsskiller.com. If she finds something or not does not mean that you should not
    check with the other methods below.
    http://support.Kaspersky.com/viruses/solutions?QID=208280684

    Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
    (If Rootkits run UnHackMe)

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Malwarebytes - free
    http://www.Malwarebytes.org/

    Run the malware removal tool from Microsoft

    Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

    You should get this tool and its updates via Windows updates - if necessary, you can
    Download it here.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
    (Then run MRT as shown above.)

    Microsoft Malicious - 32-bit removal tool
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

    Microsoft Malicious removal tool - 64 bit
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

    also install Prevx to be sure that it is all gone.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
    security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
    here or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp  <-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

    Try the demo version of Hitman Pro:

    Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
    (viruses, Trojans, rootkits, etc.). who infected your computer despite safe
    what you have done (such as antivirus, firewall, etc.).
    http://www.SurfRight.nl/en/hitmanpro

    --------------------------------------------------------

    If necessary here are some free online scanners to help the

    http://www.eset.com/onlinescan/

    New Vista and Windows 7 version
    http://OneCare.live.com/site/en-us/Center/whatsnew.htm

    Original version
    http://OneCare.live.com/site/en-us/default.htm

    http://www.Kaspersky.com/virusscanner

    Other tests free online
    http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

    --------------------------------------------------------

    Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
    system files.

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

    Start - type this into the search-> find COMMAND to top box and RIGHT CLICK-
    RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to analyze the log file entries that the Microsoft Windows Resource Checker
    (SFC.exe) program generates in Windows Vista cbs.log
    http://support.Microsoft.com/kb/928228

    Run checkdisk - schedule it to run at the next startup, then apply OK then restart your way.

    How to run the check disk at startup in Vista
    http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

    -----------------------------------------------------------------------

    If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

    http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

    I hope this helps.

  • Windows cannot find c:/windows/system32/msconfig.exe.

    I create an account for my daughter without password and I kept my account with admin and password control.

    the problem now, when I turned on the computer, the main account with password could not open and gave me the massage (Windows cannot find c:/windows/system32/msconfig.exe.) the child account I can open it and its works normally but when I want to do something about asking permission to administrator and, even once, when I enter the password for the massage even reappear

    Help me please

    Best regards

    Malek

    Msconfig.exe requires an account at level "Administrator".

  • Windows cannot find C:\WINDOWS\system32\rundll32.exe

    Hello

    Can someone help me, I am trying to open files and folders, and all I get is Windows can't find C;\WINDOWS\system32\rundll32.exe and stop me so gains access. I was told that I could find the file on another computer stick in my memory stick and reapply, only problem I have is I don't know where its located. I'm on windows XP.

    Thank you very much

    Thanks for the suggestion, Lisa!  I tried the link but it says page is more noticed.

    You happen to know any other solution for that darn missing file?  I can't open all the apps in my control panel! ACK!

    Someone found a solution to this problem yet?  Thanks a lot for any attempt to answer!

    :)

    EDIT: I GOT IT!  Browsing the internet, I came across this answer:

    Find a copy of rundll32.exe in the folder c:\windows\system32\dllcache or c:\windows\servicepackfiles\i386.
    If you find it, go ahead and copy rundll32.exe in the c\windows\system32 of the system folder.

    Otherwise you need a windows disk to extend this fichier.* *.

    I have dd a search on my computer for the file "rundll32.exe" and he came in two different folders on my hard drive.  But it MUST be in c:\windows\system32 (file there lack of).  I found the file in the folder dllcache as shown above, then simply copied and pasted in the system32 folder.  And WALLAH!  Problem solved and control panel and all the rest works just fine now!  So simple!  I hope it works for you, the people who are still struggling with this problem!

  • I have windows XP. I received the following message: windows cannot find 'C:\windows\system32\rundll32.exe' - how can I fix it?

    See above

    To resolve this issue, follow these steps:

    1. Put the CD ROM Windows XP disc in the CD ROM drive
    2. Click Start and then click run .
    3. Type expand X: \i386\rundll32.ex_ c:\windows\system32\rundll32.exe in the Open box, where X is the letter of your CD drive.
    4. Restart the computer.

    MD MOEEN AJAZ KHAN - MCP, N +, A +.

  • Cannot run most of the programs in Control Panel because it says that I don't have \WINDOWS\system32\rundll.exe'. on my hard drive

    I recently installed sp3 on my computor he had sp2 now when I access panel, I can't run any programs like display or add or remove programs or internet con. I tried the system restore but it will not go forward or backward I always got the error this file \WIndows\system32\rundll32.exe'. is not on the hard drive that I can reistall sp 2 with sp3 hope somone can help thanks lindell wood

    If you have installed SP3 and now the file is missing, the opinion of the Support Engineer Microsoft won't help you unless you have a genuine XP installation CD also is Service Pack 3.

    That's extremely unlikely, unless you did it yourself and some people have never seen a real installation of XP bootable CD in their life then, how is this will help...  But, this is a link to a Microsoft KB article.

    When you try to open a control panel applet, you see a message like this:

    Control Panel
    Windows cannot find 'C:\WINDOWS\system32\rundll32.exe '.  Make sure you typed the name correctly and then try again.  To search for a file, click the Start button, and then click search.

    If the file is actually missing, it was probably quarantined (actually deleted) programmatically your antivirus or anti-malware not specified that you use.

    You might want to reconsider anything not stated antivirus or antimalware you programs use and whether or not they are effective to protect your system.

    You can look in the c:\windows\system32 folder and see if the file is actually missing or not, but you should replace it somehow.

    I downloaded a copy of XP Pro SP3 file you need on my SkyDrive (everyone has a SkyDrive for file sharing).

    You can download it and when you do, place a copy of the file in these two folders (assuming that Windows is installed on your C drive):

    c:\Windows\System32
    c:\Windows\System32\dllcache (this is where XP keeps backups of important files).

    Here is the link to my SkyDrive and you can get the file you need here:
    http://CID-6a7e789cab1d6f39.SkyDrive.live.com/redir.aspx?RESID=6A7E789CAB1D6F39! 311

    When you see the files available for download, you can not see the file extension (.exe, .dll, .cpl, .sys, .zip, etc.), but when download you them they will have the right extension.

    When you download the file (especially if you use Internet Explorer), when you get a chance to save the file, your browser is unable to save the file with an extension (by example, .exe, .dll, .cpl, .sys, .zip, etc) then you will need to manually add the extension appropriate to the file when you download the file before you save it.

    You can download the file without the extension, and then rename the file to add the appropriate extension.  You do not want to use a file called rundll32 when the name of the file should really be called rundll32.exe (if the downloaded file has no extension, you will need to change the name of the file to add the appropriate extension to make it work.

    You then put the downloaded files in the correct folders on your system.

    That may not solve all your problems, but at least you will be spending this part and we can then fix the rest.

  • Windows popping up saying "can not find script 'C:\Windows\System32\smss.exe:991684276.jse' file.

    original title: Virus help!

    I tried to download a game on a Chinese website. After downloading, there was windows popping up saying "cannot find the file 'C:\Windows\System32\smss.exe:991684276.jse' script. I tried to close the window, but he just keeps on popping up. I tried scanning with Norton, but there is no dangerous files. In addition, there are new icons on my desktop as Internet Explorer and I wasn't able to delete because it is "open in Microsoft Windows Based Script Host" Please help me and thank you...

    Download and run the free version of this tool for beginners. Do a full scan.

    Malwarebytes Anti-Malware
    http://Malwarebytes.org/

    Bruce Hagen
    MS - MVP October 1, 2004 ~ September 30, 2010
    Imperial Beach, CA

  • I accidentally change the main drive d LABEL: volume 1 label D: (C :) AND IT does not FIND C:\Windows\system32\rstui.exe. How can I find this path?

    Remember - this is a public forum so never post private information such as numbers of mail or telephone!

    Ideas:

    • You have problems with programs
    • Error messages - Windows cannot find C:\Windows\system32\rstui.exe «»
    • Recent changes made to your computer: I accidentally change the main drive d LABEL: volume 1 label D: (C :) AND IT does not FIND C:\Windows\system32\rstui.exe. How can I find this path?
    • What you have already tried to fix a volume control simple back - I tried things like this before as to cause major problems. I'll do it right the first time.

    Read this tutorial carefully. Hpoefully it resolve issue you. I have no knowledge on this topic. Only offer you a tutorial of a VERY worthy site.

    How to add, change, or remove a drive letter in Vista

    http://www.Vistax64.com/tutorials/114767-drive-letter-add-change-remove.html

    t-4-2

    PS Sorry for the huge impression. A small bug in copy/paste.

  • How to find Windows\system32\UStorSrv.exe on my computer?

    I use the award-winning McAfee anti / protection against computer viruses. Recently, I did a full scan of the computer and chose the custom level to make sure that I hit the specific files or any file not being left behind.  When I went to view the report he read that the C:\Windows\system32\UStorsrv.exe could not conecting Internet under "Oti Content Service.  Don't forget to remove the UStorSrv.exe once before from another computer, I can't seem to find on Dell Windows XP desktop computer.  Do you think that he is a ghost of McAfee reading, or this really UStorSrv.exe exisits?  I want to find, and a search of the files produce no result, although hidden files were not analyzed in the research

    Google search more Internet and paste said: ustorsrv.exe is a user program called and a normal part of PC operations. No action required.

    It's really no need to copy and paste from the Internet.

    I think if you have installed the OTI application and use it, I don't think you want to delete.

    What types of USB storage devices you may be using?  Cards, USB sticks, external hard drives?

    My opinion of McAfee is less favorable, but if you searched your system for the file and did not and you are not looking for the hidden files, maybe, you need to look for hidden files and see if you can find it.

    Then you'll find it or you won't find it.

    If you are looking for all the files and folders, including hidden things and can't find it, and pointed out that McAfee, McAfee has a problem.

    If you are looking for all the files and folders, including hidden things and are and are suspicious of him, and then transfer it to some sites which analyzes individual files and scanned it by 60 + analysis of software (including McAfee) and see what results.

    Scan online virus scanner engine antivirus

    http://www.VirusTotal.com/ (about 40 + scanner)

    http://VirusScan.jotti.org/en  (about 20 + scanner)

    For virustotal, if you receive a message:

    File has already been analyzed

    Click on the button scan again now and wait. You might be in a queue according to the degree of activity, they are.

    You should see a progress indicator and the result will be displayed on the screen of the browser from A to Z all analyses are performed.

    If you still think your system may have some malware on it, no matter what you use for the protection of the system, I could do this:
    Download, install, update and do a full scan with these free malware detection programs:
    Malwarebytes (MMFA): http://malwarebytes.org/
    SUPERAntiSpyware: (SAS): http://www.superantispyware.com/
    They can be uninstalled later if you wish.

    Do, or do not. There is no test.

    I decided to implement the points for a new puppy instead of a pony!

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