Framework 2.0.50727 Best -

reg query "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v2.0.50727" /v Install

I notice you're asking for a paper about "framework 2.0.50727." This string refers to a from Microsoft — specifically, .NET Framework 2.0 with build number 2.0.50727 . framework 2.0.50727