In the MS Knowledge Base, the list this as a printer driver problem. The link to the article is below which has a work around.

http://support.microsoft.com/support/kb/articles/Q183/5/22.ASP?LNG=ENG&SA=MSDN&FR=1

Hope this helps....

>We have an application thatis running in Israel, Turkey and Greece. The App in Turkey and Greece is under windows 95 Pan European.
>The system runs in each site on workstations connected w/an NT 4.0 Server.
>There are about 10 different workstations with different configurations, printers (HP, Kyocera, Pansonic) , Video cards etc.
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>The App has a lookup form for locating clients, using a grid and a textbox performing lookup with the InteractiveChange Method - which works fine EXCEPT for the following case:
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>Whenever, In the Greek version we perform a print operation (printing or previewing) and at any later stage start again the lookup form we get, after a succesfull seek A GPF ("VFP has peformed an illegal operation 10H etc."). It does not make any difference what station we are running the app from.
>It makes no difference in what order we run the app, the moment we tried to printout or preview, any subsequent call to the lookup form crashes.
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>The application runs perfectly in Turkey, w/ the same version of windows, and in Israel w/ Hebrew enabled windows.
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>TIA
>
>Eylon