Microsoft KB Archive/81739

= Using UNINSTAL.EXE With MS-DOS Upgrade =

Article ID: 81739

Article Last Modified on 11/16/2006

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APPLIES TO


 * Microsoft MS-DOS 5.0 Standard Edition
 * Microsoft MS-DOS 5.0a
 * 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

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This article was previously published under Q81739



SUMMARY
The UNINSTAL.EXE program included with your MS-DOS Upgrade should only be run under the version of MS-DOS that it shipped with. This is because the program assumes it will be run under that version, and other versions of MS-DOS may not be able to properly access the hard drive(s) or behave as UNINSTAL.EXE expects.



MORE INFORMATION
The Uninstall #1 disk must be created in drive A because it is an MS-DOS boot disk that automatically executes UNINSTAL.EXE. To uninstall MS-DOS, place the Uninstall #1 disk in drive A and reboot the computer.

If the Uninstall #1 disk won't boot, do the following:


 * 1) Create an MS-DOS system disk with the SETUP /F command.
 * 2) Rename the CONFIG.SYS file on that disk.
 * 3) Boot with that disk and then run the Uninstall program.

If you cannot run the SETUP /F command and another MS-DOS machine is available and is running the same version of MS-DOS, you can use the SYS command to create a system disk on that machine.

If you cannot create an MS-DOS system disk, determine whether the previous MS-DOS version can access the hard drive properly. If it does, you may be able to manually install the previous MS-DOS version without losing any data.

If necessary, reformat your disk using the previous MS-DOS version.

Additional query words: 6.22 5.x 5.00 5.00a 6.00 6.20

Keywords: KB81739

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