Microsoft KB Archive/104887

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DBLSPACE /DEFRAG and DEFRAG May Exit Without Error Message

Article ID: 104887

Article Last Modified on 11/18/1999


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

This article was previously published under Q104887

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.


If your system is very low on memory and you try to run DBLSPACE /DEFRAG, DoubleSpace may be unable to run and may not display an error message. If you then try to run DEFRAG, it may start normally but exit unexpectedly when it attempts to run DBLSPACE /DEFRAG. Again, no error message is displayed.


This problem occurs when there isn't enough memory for DoubleSpace to display an error message. The amount of memory at which this problem occurs depends on your system configuration and the size of your DoubleSpace-compressed drive. Typically, this problem does not occur if you have more the 430K of free conventional memory.


To work around this problem:

  • Run MemMaker to increase your conventional memory. -or-

  • Use the Clean Start (F5) or Interactive Start (F8) key to load fewer device drivers and terminate-and-stay-resident (TSR) programs before running DEFRAG or DBLSPACE /DEFRAG.

Additional query words: 6.20

Keywords: KB104887