>>>Hi.
>>>One of our users has just moved my app to another folder, and on ONE machine only, the following gives a C00000094 windows error and bombs
>>>Define Window X from 10,10 to 14,70
>>>Activate Window X
>>>@ 1,1 say 'test'
>>>
>>>but only if run from within an Exe or Prg. If I run the exact same 3 lines from a Command Window, Error is not there.(Running VFP 8 )
>>>
>>>
>>>(In all other ways, app seems to be behaving itself)
>>
>>Maybe an incorrect or outdated video driver.
>
>Al, I ran the code from the command window, in a .prg and as an .exe no problem (VFP 8.0)

I was suggesting that Gerard's user's computer may have a bad video driver. If your video driver is OK you may not see the problem.