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ScanDisk Err Msg: This Drive Was Compressed By a Program...

Article ID:140433
Last Review:January 19, 2007
Revision:1.2
This article was previously published under Q140433

SYMPTOMS

When you try to use ScanDisk to check a drive that was compressed with DriveSpace 3 for errors, you may receive the following error message:
This drive was compressed by a program that is not supported by ScanDisk. As a result, ScanDisk is unable to detect and repair compression-related errors.
If you click OK, ScanDisk checks the drive. This problem can occur even if the drive you want to check was compressed by a program that is supported by ScanDisk.

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CAUSE

This problem can occur if the Dskmaint.dll file in the Windows\System folder is the version of the file included with Windows 95, not the version included with Microsoft Plus!.

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RESOLUTION

Replace the Dskmaint.dll file in the Windows\System folder with the version of the file included with Microsoft Plus!. To do so, follow these steps:
1.If ScanDisk is running, close it.
2.Type the following line at a command prompt, and then press ENTER:
ren c:\windows\system\dskmaint.dll dskmaint.xxx
3.Extract the Dskmaint.dll file from the Plus_2.cab cabinet file on the Microsoft Plus! CD-ROM or from disk 2 of the original Microsoft Plus! disks to the Windows\System folder.

For information about using the Extract tool, type "extract" (without quotation marks) at a command prompt, or see the following article in the Microsoft Knowledge Base:
129605 (http://support.microsoft.com/kb/129605/EN-US/) How to Extract Original Compressed Windows Files

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APPLIES TO
Microsoft Windows 95
Microsoft Plus! 95 Standard Edition

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Keywords: 
KB140433

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