Visual Studio Build Very Slow

Question

This applies to both 2008 and 2010 versions (and probably earlier ones too). Also to both C++ and C# projects.

An initial build (after reboot) runs at normal speed

Answer 1

Try this as it worked for me:

Press Windows+R or open run from Start.

Now type %temp% and delete everything from there...

Now open Run again and type prefetch and delete everything from there also.

Now open VS and see the performance.