Photoshop won't let me do anything. At all.

So I've had this problem in the past, and that was remedied by updating or reinstalling Photoshop, however, this time around, there are no updates to be had, and reinstalling did nothing.

So here's what's happening: Photoshop won't do anything. It won't open images, it won't open PSD files, by the off chance it does, none of the tools work past say... an inch of my screen. They just completely freeze, and have about a 10% chance of the changes they were supposed to make to stay. Most of the time say I was using a brush tool and I draw a line about 5 inches long, it'd stop anywhere between 1-2 inches and then completely disappear without a trace. And this is on simple edits I make to images that only have one layer, so it's not like I selected the wrong layer.

The layer buttons don't even work, I can't add layers, or do anything. It's like the system just locks up. I CAN do things such as open panels such as the color range panel, and I can change brush color, but the tools to apply these changes just. don't. work.

And that's even IF the image manages to open in the first place.

I would appreciate any help that I can get, I've reset tools, reinstalled Photoshop, tried different files, I got no clue what to do.