The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
PWB Error
<drive> is an invalid drive
An attempt was made to change a nonexistent drive.
This error can be caused by a malformed filename that was
interpreted as a drive letter designation.
-♦-