I can't open existing or add new test projects after i installed VS12 Professional. It works in VS10 on the same machine. The error i'm getting when try to open test project "There is a missing project subtype. Subtype:
'{3AC096D0-A1C2-E12C-1390-A8335801FDAB}' is unsupported by this installation" I couldn't find any workable solution online including in this forum. I need a fix ASAP.
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