qbasic.hlp (Topic list)
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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
QBasic device unavailable
You are attempting to open a file on a device that does not
exist in your system. Check the list of available device
names in the Dirs/Drives list box in the Open dialog box
and use one of those.