>>>Hi all,
>>>I have developed an app that currently runs on several machines of a client.
>>>They have been using it for nearly 5 months with intermittent GPF errors and Invalid Page fault messages.
>>>I checked the app over and over, there was nothing in code to do that (as far as I could).
>>>The app worked without any error on my machine nor in others at my site.
>>>So I began to seek hardware and OS errors.
>>>To keep the story short, a few days ago I told them to remove their printer drivers
>>>(nearly all of them are Inkjet) and the problem has vanished.
>>>Cetin
>>
>>Us also. We have had intermitent "Spool 32" errors in Foxpro 2.6 and Office 97 applications running on NT 4.0 network and traced the fault to HP DeskJet drivers. Updates to these drivers did fix the problem.
>
>Did these error occur during printing, or just because the driver was on the system ?
>
>TIA

The errors occured at random, on a workstation using 1600 series DeskJet drivers. This printer did not have to be selected as the default printer. I think the errors occured most often when printing. Printing would cease.