[ubuntu] Flash is heating up the laptop

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http://ubuntuforums.org – I checked at the chat room and folks there tell me that they have seen flash consuming upto 100% CPU . My problem is I cant run flash in my ubuntu box through a browser and hence sites like youtube cant be opened due to OVERHEATING and shutting down laptop . In windows XP the flash is very light and not as heavy . I tried both gnash and Adobe plugin . Is there any one who has faced this issue ? Mine is a compaq presario v 2000 laptop . (Hardware)