First time my computer froze was when I used GOM Audio. I was changing songs and my PC freezes. I ended up restarting it. There was no background tasks going on.
Second time I watched a movie in VLC. Suddenly there was a BSOD. No background task was going on, except Windows was installing updates.
I checked out the event logs, but no problem. Then I checked the PC with my Dell and ran a whole scan, but no problem was found.