Tuesday, March 10, 2009

Fatal Error: Unsupported Version of Windows Presentation Foundation

In case anyone else runs into this problem here is the solution.

The customer has XP Pro SP3 32bit as well as .NET 3.5 and AutoCAD MEP 2009 SP2.
I made a DLL in VB.NET using VS 2008 and I was not able to reproduce this crash in my test environments.

Eventually the customer found that he had placed the DLL on a network location and that was causing this error.

4 comments:

  1. can u pls detail the fix for
    FATAL ERROR: Unsupported Version of Windows Presentation Foundation

    ReplyDelete
  2. The fix was to place the DLL on a network location as that was causing this error.
    What DLL file it is in your case I don't know or if it is the same solution for you.

    ReplyDelete
  3. Jimmy:

    does the dll NEED to be local or on the network. i'm having this same issue with windows 7.

    ReplyDelete
  4. Steve, if it works when you have it locally that is the solution for you. There are ways to put it on the network too depending on .NET Framework version.

    ReplyDelete

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