Why does my comp keep crashing?

[big_ben2k80]

for some reason my comp keep-s going to a blue screen it does it all the time but mostly while i am trying to install programs, what can i do to fix it, my dad wants to format the drive but i dont want to lose all of my data, can u help!?

 

[SavvyLady]

sounds like your cache is full....
go here & try the tips it gives

http://www.piersontech.com/07-CleanHardDrive.htm