My son was trying to clean up some space on his computer last night, so he was deleting massive amounts of crap. I encouraged him to uninstall anything that he hadn’t used in the last couple of months, but that might be difficult based on the estimates Windows gives of last-use. Check out when the last time Windows thinks he played Halo
Joey Gibson's Blog 
I think the core problem is the time travelers who stole his computer and played Halo. Probably got some futuristic computer virus.
Yeah….
I know halo is in the future but, really.