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Microsoft KB Archive/104778

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Knowledge Base

DblSpace Err Msg: An Unrecognized Error Has Occurred During...

Article ID: 104778

Article Last Modified on 11/23/1999


  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.22 Standard Edition

This article was previously published under Q104778


This information applies to both Microsoft DoubleSpace and Microsoft DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands and filenames.

When you try to compress disk, you may receive the following error message:

An unrecognized error has occurred during compression. Your files are still intact, but might be located on a different drive than before you ran DoubleSpace Setup.


This error occurs if:

  • You try to compress a write-protected removable media disk. -or-

  • The root directory of the drive being compressed is full.


To work around this problem, make sure the media you are trying to compress is not write protected and the root directory is not full.

For more information on root directory file limits, query on the following words in the Microsoft Knowledge Base:

root and subdirectory and ms-dos and file limit

Additional query words: 6.00 6.20

Keywords: KB104778