XNA-The snapshot is out of date and can not be used anymore because the binder has been updated

Solution-
Here is my problem.When i was  using Team Foundation Server(Source Controller) with my window phone's project(XNA),It's don't happen.
After i install a plugin "Productivity Power Tools" the problem is appear.I google it and found there is a solution and it's solve my problem:

Turn Off the "Automatic Brace Completion" at Tools->Options->Productivity Power Tools

Maybe turn off some plugin you could found the problem.