[ubuntu] processor 100% usage ??

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http://ubuntuforums.org – Hi I'm using "core2duo" processor. previously it was all fine but since a week i observed that the processor utilization % is 100%. I saw it in the screenlets applet !! (U can see it in the screenshot attached, u can see the present working processes also in the terminal). System performance is also getting slow.... and sometimes it even restarts automatically ...:confused:(just happened 2 times). What exactly is the problem? (I recently changed the SMPS as the previous one did not work,Even with the previous SMPS i was stuck with same problem) Can any one help me!! plzz:(:( Attached Images Screenshot-1.jpg (184.5 KB) (Hardware)