OK, updating VMs. Going to use the tutorial that Kari posted to test.
Interestingly enough, the two nonremovable P~... items on the start menu were removed after a subsequent reboot. I suppose they were related to items that I had previously uninstalled on build 14986.
Has anybody else getting the new GSOD (Green Screen of Death). I've gotten "Kernel Mode Heap Corruption" on 2 programs that never had a problem before. Tweaking.com Repair and Regrun.