Chkdisc.Utility

I get an error message on my tool bar that says: a file is corrupt, run Chkdisc.utility. I can not find this utility on my computer. How can I find and use it?

What is the full error message, and this file is indicated as being corrupted?  Although it may in fact be advisable to run the chkdsk command, you should be aware that sometimes chkdsk can cause data loss.

It is spelled chkdsk.

To use it, click Start, and then click Run.  In the "Open" box, type the following command, and then click OK

Chkdsk /f

A black command prompt window opens with the following message:

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)

Type Y, and then restart the computer.  CHKDSK will run after the restart, before Windows starts.

The following information is from official XP documentation, but the comment about the length of time things may take with a grain of salt (it might be true for "millions of files" but not for a disc of 70 GB):

Correction of disk errors

Chkdsk corrects disk errors only if you specify the /f command-line option. Chkdsk must be able to lock the drive to correct errors. Because repairs usually change a file allocation table disk and sometimes cause a loss of data, chkdsk sends a confirmation similar to the following message:

10 allocation units lost in 3 channels.

Convert the strings lost files?

If you press O, Windows stores each string lost in the root directory as a file with a name in the format filennnn.chk. When chkdsk is complete, you can archive these files to see if they contain all the data you need. If you press N, Windows fixes the disk, but it does not save the contents of the lost allocation units.

If you don't use the command/f command-line option, chkdsk sends a message if a file needs to be fixed, but it doesn't solve all of the errors.

If you use chkdsk /f on a drive or drives for very large (for example, 70 gigabytes) with a very large number of files (for example, millions of files), chkdsk may take a long time (for example, over several days) to complete. The computer is not available during this time because chkdsk does not relinquish control until it is completed.

PS even if chkdsk finds "lost allocation units" and converts them into files, I never saw no useful data in the files created by chkdsk.

Tags: Windows

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