n/a

[hello2006]

n/a

[ynotme]

maybe shadow copy ?

http://www.wikihow.com/Reduce-Shadow-Copy-on-Windows-Vista

[ngaiden]

My dell vista laptop can show 10 GB left of free space one day and can change to 4 GB of free space the next day without me doing anything too. It's really weird.

[goofball]

system restore perhaps.