Article ID: 142919 - View products that this article applies to.
This article was previously published under Q142919
When you try to compress drive C with DriveSpace 3, you may receive the following error message when the compression process is 25 percent finished:
Windows cannot create the C:\Msdossys.tmp file. There might not be enough free space on the drive C, the root directory of drive C may be full, or the disk may be write-protected.
ID Number DRVSPACE125
This error can occur if the root folder on drive C contains the maximum allowable number of files (512). When this occurs, DriveSpace 3 cannot create the temporary files it needs to finish the compression process.
Move or delete unnecessary files in the root folder on drive C, and then continue the compression process.
The root folder on a hard disk can contain no more than 512 directory entries. Directory entries can contain short file names and the extra entries required to hold long file names.
Note that the error may also occur when the compression process is 100 percent finished if you are compressing a drive that is not the boot drive. The actual file referenced in the error message will vary. The error message "Cannot create the file Drvspace.000" is generated when the root folder of the drive being compressed is full.
The error message stated above can also occur if there is a file named Failsafe.drv in the root folder of drive C (or the host for drive C). If this occurs, remove the Failsafe.drv file and then continue the compression operation.
Article ID: 142919 - Last Review: January 19, 2007 - Revision: 1.2
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