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Microsoft KB Archive/101305

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Knowledge Base

SETUP /E Err Msg: Setup Cannot Find Your MS-DOS Directory...

Article ID: 101305

Article Last Modified on 11/22/1999


  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.21 Standard Edition
  • Microsoft MS-DOS 6.22 Standard Edition

This article was previously published under Q101305


You may receive an error message similar to the following if you run SETUP /E to install the optional utilities that ship with MS-DOS (Backup, Anti-Virus, and Undelete):

You started Setup with the /E switch, which installs the optional programs that came with MS-DOS 6. However, Setup cannot find your MS-DOS directory...


This message goes on to say that Setup could not find your MS-DOS directory because you have not installed MS-DOS or your MS-DOS directory is not included in your path. This error can also occur if Setup cannot find one or more of the following files in the MS-DOS directory:



To correct this problem, copy or expand these files from the MS-DOS 6 or 6.2 Setup disks. DISKCOPY.COM is a compressed file on the installation disks and must be expanded using the EXPAND command, for example:

   expand a:\diskcopy.co_  c:\dos\

SYS.COM and FORMAT.COM are not compressed; therefore, you can use the COPY command as follows:

   copy a:\ c:\dos\
   copy a:\ c:\dos\

Additional query words: 6.22 6.00 SETUP/E switch uncompressed decompressed 6.20

Keywords: KB101305