Click on the image below to go to a Microsoft site that could fix that problem you are having. It might not fix the specific problem you are having, but there are number of “Pay for” services online and they have about the same success rate (yes I used them).
In this case I am attempting to fix a problem with Visual Studio 2010 Ultimate, for some reason I cannot get SP1 to install on this machine. Unfortunately the FixIt center didn’t help me, but I checked it out for other fixes and it works quite well.
I fixed the problem with Visual Studio 2010 Ultimate by uninstalling a Visual Studio Windows Phone Express that wasn’t running SP1 and for some reason was blocking the Visual Studio Ultimate from starting.