Thank you for your answer! I also posted this question on another forum, and solved the problem with an answer on there. It turns out my HDD was toasted, and it was causing the disk usage to be at...

Hello,
Today, I was messing around with a PS2 emulator (PCSX2) on my computer, and when I decided to restart the computer to move some files (the file explorer was saying "this folder is in use by...