computer shuts down all the time

[stuveltje]

oke this morning i opened my puter myself (big risk when i do it) i saw 3 fan things in it, they where realy full with dust, i have clean them....(and dont yell at me because of this)...with the vacuum cleaner it worked , lol my puter still worked after i cleaned it inside, so me a happy camper it was no virus or spyware, it was dust, i keep forgetting puter attrack dust too, but all is working fine again, thanks for all the advice))