>>I recently upgraded to VFP 6.0. I also loaded service pack 2 for Visual Studio.
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>>When I converted an application from VFP 5.0 I received a Fatal Error C0000005 message. ....
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>Have you tried opening the class library outside of Project Manager under VFP6, using COMPILE CLASSLIB against it, and then adding it to a project?
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Yes, as I said in my reply yesterday I did try this, but could not remember what happened. So after sending you the reply I tried opening the corrupt class library in VFP 6.0. The c0000005 error came up as soon as I opened the class library.