I've tried procexp.exe:
* run as admin
* show processes from all users
* show unnamed handles and mappings
* show nonpaged pool

None of the processes use much.. So yeah, probably a driver...
...

Of course I've tried ISO upgrade. It just says error, can't upgrade and asks to reboot. The automatic upgrade also says so without helpful information. Another annoying part is that automatic upgrade...

So here's my sitation: I'm sharing my desktop between working and playing games. I have 16GB and v10041 (which can't upgrade to v10130 but that's a different issue)

When Windows boots, it's using...