>- I print under MS DOS using ??? command. When latter I try to print under Windows using standard reports it will not print unless I remove a print job in Printer spooler.
>-
>My next problem: When I use HP DeskJet 640C Series driver for my printer, print a standard report(or preview) and change form, my program terminates and Windows message fatal error appear. If I change printer driver it works fine.

See:

PRB: 'API Call Caused an Exception' Error Message with Third-Party Print Drivers

< grumbles about the parser > That's http://support.microsoft.com/support/kb/articles/Q253/3/56.ASP

and

FIX: Divide by Zero Creates Err with Third-Party Print Drivers

and

Visual FoxPro Service Pack 3 Fixes Overview