CPU Usage has shot up with this recent Windows 7 update.

Hey Guys,
The updates contain, Windows 7 service pack 1, Updates for .NET framework and some security updates.
I am using the Home version on a dell inspiron, usually the cpu usage is below 5% but now it varies from 30-60%, while performing the same tasks as before.
The machine heats up a lot, am not able to put it on my lap even.
How can i resolve this? Thanks.
Answer #1
uninstall the latest update that you had and see if it goes back to what it was ??
Answer #2
From where shall i uninstall them specifically?
Answer #3
psihotix replied: Hey Guys,
The updates contain, Windows 7 service pack 1, Updates for .NET framework and some security updates.
I am using the Home version on a dell inspiron, usually the cpu usage is below 5% but now it varies from 30-60%, while performing the same tasks as before.
Which process?
Answer #4
Mainly it was SearchFilterHost around 30%,dwm.exe around 10-11% , others are not significantly increased but still the CPU usage is high.
Btw what is the best CPU Usage percent rate for potimum performace?
Answer #5
Please Help because my PC is burning so fast!
Answer #6
even i wanna know how to reduce CPU usage, when i use some heavy progs the fan of my SMPS runs as fast as its runned when the CPU is just turned on.