Acer laptop suddenly shut down

We hve an acer laptop and we bought it last oct.2009 since last mnth until now when we are using it ,it will suddenly shut down.what do u think is the problem of our laptop. please can you help us?thanking you in advance. we are soliciting an opinion from you...your opinions are highly requested and apreciated!
 
It could be overheating because the CPU thermal paste or pads are dried out or burned. The laptop can be repaired by a qualified service person
 
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