Important Notice

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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

QuickC could not find the .KEY file that you gave on the
QC command line, or that .KEY file was in an incorrect
format.
 
Make sure you are specifying an existing .KEY file. If
so, copy a new version of the .KEY file from the QuickC
distribution disks, then restart QuickC and specify the
.KEY file again.