Visual Studio 2012 is unresponsive at start with hidden error messages (two dings at start)

Question

After latest update of Azure tools, Visual Studio 2012 does not work correctly. Looks like an unresponsive application, loading project very long, menu does not work too and yo

Answer 1

Uninstalling HDInsight worked for me. I stumbled upon the solution by myself because the HDInsight tools overwrote my keyboard shortcut for managing nuGet packages. It was annoying enough I uninstalled HDInsight and as a side effect Visual Studio started up fine again.