LightSwitch Extensibility Toolkit for Visual Studio 2012 Failing With a Generic Error message

Issue Description: Installation of LightSwitch Extensibility Toolkit for Visual Studio 2012 Failing With a Generic Error message dialog box Environment: Windows 7 SP1 (x86 and x64) Windows 8 (x86 and x64) Windows Server 2008 R2 (x64) Windows Server 2012 (x64) Symptom and inference: Download LightSwitch Extensibility Toolkit for Visual Studio 2012 from http://visualstudiogallery.msdn.microsoft.com/2381b03b-5c71-4847-a58e-5cfa48d418dc and launch…

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Installation of the Visual Studio 2012 fails with the error message “Microsoft .Net Framework required for Microsoft Visual Studio Ultimate Setup”.

SYMPTOM AND INFERENCE: This error was appearing as soon as we launched the Visual Studio 2012 setup. The above error message appears to point towards an issue related to the .net framework 4.5. However .net framework 4.5 was already installed on the machine, and was found to be in good health. In order to debug…

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