qperr.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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Run-Time Error Message
 
Run-Time Error 152:  Drive or device not ready
 
An I/O operation was directed to a drive that did not
contain a floppy or whose door was not closed, or to a
device that is unable to service the request.