Ok, it's Wednesday, just a fluke of when my computer looks at MS's servers. But I digress.
There's a new update in this month's batch that some people are receiving in error, I believe. So as someone else says, "if windows update offers IdeaCom HID Touch Screen (PS/2) as an optional update, do not install unless you are sure you have a touch screen device. it will disable your ps/2 mouse and touchpads."