title: Visual studio hangs when editing any document in a specific solution
body: <p>After I closed a specific solution and reopened it, it open without any problem but when I tried to edit any document the first keystroke on the code editor cause the visual studio 2010 to become completely unresponsive, and I had to end the program. I tried opening that solution many times but it still hangs till after restarting the PC. any other solution is working fine it is just this solution that cause the problem</p>