trying to compile fdo trunk my VS2008 installation crashed and blue screened a few times before I finally saw an internal error C1001 applying VS2008 SP1 solved the problem. this is in case someone else has the same problem http://www.microsoft.com/downloads/details.aspx?FamilyId=FBEE1648-7106-44A7-9649-6D9F6D58056E&displaylang=en