>Any way to use an mtdll instead of an exe?? You could call a .EXE COM Server from a VFP mtdll server.

I was mulling over just that scenario. Do all of the CPU intensive work in a COM mtdll then actually create the PDF in a COM exe (which is less CPU intensive). So far so testing has revealed that that the DLL also tries to take 100% of the CPU time.

>Also, you could use the Sleep(0) API to stop it from going to 100%

I'll try this right now.