What if svchost.exe and wudfhost.exe is eating up your Windows 7

Excellent step-by-step guide how to solve the problem when WUDFHost.exe
+ svchost.exe is using a huge amount of memory and high CPU time
http://www.techsupportforum.com/forums/f299/driver-verifier-windows-7-and-vista-bsod-related-473665.html