Hey guys, so i recently did a fresh install of windows 7 ultimate 64 Bit on my system and it seemed to work well so after i installed some programs and downloaded some movies a message popped up that i was running out of disk space. It says i have 1 GB of free space but my hard drive is 500 GB big, i don't have any of the drive partitioned so its only on the one, and when i open up the control panel there are only like 30 gigs worth of stuff on it. What happened to all the space? Please help.