I am opening files from a server ASP.net and the VB codebehind files, and my visual studio is not working correctly, Intellisense is dead and if i right click the \"Go to
For me, this was related to an incorrect xaml file build action in an Azure WorkerRole project (bizarre, though it may seem!). Please see my entry in this post if you want to know more:
C# VS2010 Entering break mode failed
The fix for the error in the above thread also resulted in the intellisense starting to work again.