Core usage acting strangelly

This is a recent behavior that has started recently. Usually the cores on
my AMD Athalon 64 TK-53 run at about the same usage, with short spikes of
one core over the other. As I said, recently core1 has been spiking to 100%
while core2 is as low as 30%. When this happens, the computer becomes
unresponsive until core1 drops below 100%. But core2 never reaches above
60% in these cases.

Anyone have any ideas? BTW, Vista HP, on an HP pavilion laptop.


Thanks in advance,
Danno

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