:rofl: my os is windows 2000 i downloade hijack this & ran the program then deleted some files that shouldn't have & now when i turn on my cpu it freeze up then i press ctrl+alt+delete it indicates that WAOL is not responding then i press end task after that my computer indicate that my mcafee anti virus is missing files. i know other files are missing because when press ctrl+alt+delete all the info that use to be their isn't PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :weee: