SYMPTOMS
You may receive the following error message when you install MS-DOS 6
Upgrade:
Error updating version table in MSDOS.SYS
CAUSE
This error occurs if Setup cannot read the SETVER.EXE file in your DOS
directory.
To work around this problem, rename the current SETVER.EXE file, and
then install MS-DOS 6 Upgrade. For example, type the following at the
MS-DOS command prompt and then press ENTER:
ren c:\dos\setver.exe setver.old