I've tried everything that I could think of, but I just can't solve this one. The WmiPrvSE.exe process + ntdll.dll eats up to 15% of my CPU (Dual-Core E6700 @ 3.20GHz) on my PC the whole time. I tried suspending the service, restarting it, uninstalling recently installed programs etc. Still the same..
I'm using Windows 7 Ultimate SP1 64-bit.
Here's a screenshot from Process Explorer:
I would appreciate any help.