Sounds like the dreaded "C5" error. Try http://fox.wikis.com/wc.dll?Wiki~c0000005Error~VFP

>Does anybody have any idea about possible cause(s) of the grey "Microsoft Visual FoxPro Error" screen, which bombs you out of FoxPro altogether?
>
>I have a user who is getting on a screen, and I can't duplicate the problem.
>
>Is there some clue in the execution stack?
>
>Thanks