I’ve been following theForger’s win32 API tutorial, and I decided to open the menu_one.rc file to see its contents from within VS2010, and I got this error:

I’ve double-checked both locations and neither of the files actually exist. The only copies of rcdll.dll I have are located at:
C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\rcdll.dll and
C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\x64\rcdll.dll
I’ve tried doing a repair install of the Windows SDK, but that didn’t fix the problem. What should I do?
This thread mentions a registry issue: