well a little bit ago a program froze up so I went to end task........well I hit ctrl-alt-del wated for a while ....nothign happened well then i hit ctrl-shift-esc ..... wated for a while noting happened i right clicked on the task bar to see if I could open it there clicked on it wated a little bit and ..............NOTING CAME UP, and I've restarted and tryed it again and no go...........I need your help oh gurus of computer wisdom