Christian,

I'm glad it's working. Yes if the printer driver has a memory/resource leak it can drastically affect the development environment.

>I just changed my Printer Driver, and Added a Line to my Print-method:
> RELEASE REPORT myreport
>
>All of a sudden, my program works again!
>
>Is it true, that if you have certain bugs in your program, that they have an influence even at design time?
>
>Thanks for your answer!!