ok when i im on a server and they change the track when the race starts i get stuck at the blue screen and then im just stuck there and have to shut off my computer to fix the problem iv tried ctrl+alt+del ant it just stays there so umm wtf!!!

.....and breathe. Try this section http://www.lfsforum.net/forumdisplay.php?f=5
or the search function

a blue screen is in 99% caused by faulty hardware, mostly memory and hard drives.

so mycomputer is basically crap?