KB121653 - SCANDSKW Err Msg: This Program Requires Microsoft Windows

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ScanDisk for Windows 95 does not run on locked drives. This behavior is by design. You must unlock the drive before ScanDisk can be used.

If you try to run SCANDSKW from an MS-DOS command prompt on a locked drive, but the current drive is not locked, you receive the following error message:

The ScanDisk operation cannot be performed now. It may work at a later time or if you shut down applications that are accessing the drive.

For example, if drive C is the current drive and drive D is locked, you receive the above error when you run SCANDSKW D: from the C: drive.

If you start the ScanDisk graphical user interface first and then select a drive that has been locked, you also receive the above error message. If you choose OK and then choose to start the ScanDisk operation anyway, you receive the following error message:

The ScanDisk operation failed to complete because the ScanDisk operation is not supported on this drive. Note that this may be caused by the drive being locked by another application or the system.

For more information about Exclusive Volume Locking and the Windows 95 Lock and Unlock commands, query on the following words in the Microsoft Knowledge Base:

exclusive and volume and lock

SCANDSKW Err Msg: This Program Requires Microsoft Windows

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