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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

An internal malfunction occurred in QuickBASIC.
 
Use the Product Assistance Request form at the back of
Learning and Using Microsoft QuickBASIC to report the
conditions under which the message appeared.
 
(Do not report this if you generated the error message
by executing a BASIC ERROR 51 statement.)
 
ERR code: 51