What's the first thing I should do?
Restarts are Magic.™ Even I'm surprised at what they can fix. I couldn't scan last night. I had a signed doc I told someone I'd get to them in an hour. But my scanning software had other ideas, giving me the dreaded beach ball of death. Nothing going on weird with the system at all otherwise. Restarted. Fixed. Let that be a lesson to you. Literally.