Unhandled exception when using products based on AutoCAD 2010 or 2011After installation, you were able to start the product, but when you tried to execute a command or select one of the UI items, the product crashed with the following error message: Unhandled e0434f4dh exception at 7c81eb33h
This error is caused by Microsoft .NET Framework 3.5 Service Pack 1 not being installed properly. You can download and install Microsoft .NET Framework 3.5 SP1 directly from the Microsoft website: Microsoft .NET Framework 3.5 Service Pack 1 Once you have installed .NET Framework 3.5 SP1, the product will work as expected.
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