I’m on a Lenovo, thinkpad laptop with intel centrino. I’ve been trying to figure out why my cpu usage jumps to 100% every minute or so. Originally this computer was constantly running with 60-80% cpu usage. but I found that something called “presentationfontcache” was using 45-50%. I’ve managed to fix that now, and the cpu usage is now 5-25% average depending on what I’m doing. It’s running faster now which is awesome and I thought that would fix the problem, but it didn’t. The computer still goes from 5% to 100% about every minute. For those few seconds it is at 100% it slows everything down and distorts the sound. Physical memory is 45% (I’m not sure how relevant it is to my problem), and I can tell you that my C: drive has 9.45GB free out of 137GB. I’m looking at the resource monitor and the things that are using the most when at 100% cpu usage (in no order) are: perfmon.exe (resource and performance monitor), system interrupts (deferred procedure calls and interrupt service routines), dwm.exe (desktop windows manager), system (NT kernel system), svchost.exe (host process for windows services),csrss.exe (client server runtime process), rundll32.exe (windows host process), and even task manager seems to jump in usage with the rest.
I DON’T GET IT. I’m not great with computers so I don’t know where to look now. It’s like the system has constant heart attacks! Suggestions?! Help please!
I think your PC is hacking or infected by viruses…
Try to check for viruses (1. check from your PC, 2. check online from F-secure online check).
If still ok, then you can try to kill task in task manager.
Or maybe you can try to enlarge your PC RAM.
Go to system properties>Advance>Performance (uncheck all).
Don’t use any desktop background.
Or maybe your PC is checked tat not genuine… try to find others to cracked WGA for you~
on: 27th June 11