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Question:

Could Not Load Assembly: Operation not Supported (Exception from HRESULT: 0x80131515)

May 27 '15 at 09:22

I get this error when trying to load the Chilkat .NET assembly (ChilkatDotNet45.dll)

Could Not Load Assembly: Operation not Supported (Exception from HRESULT: 0x80131515)

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Answer

I found the issue. The file was blocked since it came from a another computer. I had to go to properties of the assembly and click “Unblock”.