i have a 60gb hard drive for my windows and games to run on, and a 120gb for backup abd downloads. The problem im having is i try to install a game that requires 4gb space...my drive shows 3.5gb free...so i UNINSTALLED grand theft auto freeing up 4.7GB...but windows is now only showing i have 4gb free?? I have run norton system and disk doctor and problem not fixed. what can i do.