>>This is for sure an undesired feature! :)
>>Here is the workaround for now:
>>Installed a Generic Text/Only print driver
>>
>>Before starting the program, set the Generic as default
>>Start program
>>open a report with Modify Report, then close it
>>open printers dialog and set the correct printer as default
>>voila, error "illegal operation" will not come up
>
>Please consider how you are going to present this gameplan to your application users. I guess they will not exactly be pleased when they wish to modify report.

This is no gameplan... it is HELL!