>>>Do you know which line exactly produces this error or it's random?
>>
>>Not really as the error showed up as a VFP error message instead of our custom error handler. It occurs in both our applications when there is more than one RDP session running on the server.
>
>Sorry, no more ideas for now - may be someone else has suggestions?

No worries. I've been googling this error and I didn't see a guaranteed fix for this one. Just checking out in UT if there's some things I might have missed.