After not using an Azure VM in a few weeks, I booted machine and started Visual Studio to get some work done. But I could not type in any documents. It was like all the document was in some kind of read only mode :S After rebooting (several times) I found this stackoverflow post. http://stackoverflow.com/questions/24825925/unable-to-type-in-visual-studio
In short my resharpers project cache was broken and I need to delete it.