My Visual Studio seems to be freezing/lagging when I open a existing project. I have added NHibernate framework into my code and it seems to lag my computer (at least that\'s wh
You can see exactly what VS is doing at any given moment, if you attach a debugger to the devenv.exe process and hit Break when it hangs. Then load the symbols from Microsoft Symbols server and show the call stack for the VS main thread.
I wrote a very detailed article about how to debug crashes and hangs here: http://blogs.msdn.com/kirillosenkov/archive/2008/12/07/how-to-debug-crashes-and-hangs.aspx
From the call stack it should be obvious what is causing the delay.