|Computers have bad days too. The first troubleshooting step when a random problem occurs is typically to reboot and try again.|
Not because it was necessarily related to this problem, but because it was referred to three times, I recommend avoiding Adobe Reader like the plague do to it's long, ongoing history of being vulnerable to malware attacks.
Apologies if I don't respond to your reply immediately. I don't check this site daily, but you're welcome to PM me as a reminder.