Microsoft KB Archive/104720

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Undelete Warning: “Cannot Unload… Undelete Is Not the…” PSS ID Number: Q104720 Article last modified on 11-04-1993 PSS database name: O_MSDOS

6.00 6.20


The information in this article applies to:
- Microsoft MS-DOS operating system versions 6.0 and 6.2


When you use the UNDELETE /UNLOAD command to remove the memory- resident portion of Microsoft Undelete, you may receive the following error message:

Cannot unload Undelete is not the last resident program others must be unloaded first


This error message occurs if another terminate-and-stay-resident (TSR) program is loaded in the AUTOEXEC.BAT file after UNDELETE.


If you want to make Undelete a removable TSR program, make sure that it is the last TSR loaded in the AUTOEXEC.BAT file.


Steps to Reproduce Behavior

  1. Edit the AUTOEXEC.BAT file by adding


    as the next to last line.

  2. Add the following line below the C:/S line:


  3. Save the file, exit, and reboot your computer.

  4. At the MS-DOS command prompt, type “undelete /unload” (without the quotation marks) and press ENTER.

Additional reference words: 6.00 6.20

Copyright Microsoft Corporation 1993.