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Ramdom Computer Speed Drop





Dennise
Sometimes my XP PC mysteriously slows to a crawl for no reason that I have been able to discover. Most of the time it runs just fine. There are no other strange symptoms or behaviors.

When this happens I have tried Windows Task Manager, together with What's Running to see what is 'hogging' my CPU time. Neither has provided any insight into what application or process is causing this.

I'm guessing this slow-down might be Windows updating itself via the internet but I don't see this in the above tools.

How can I get to the cause of this? Rolling Eyes
Peterssidan
Is your CPU shown to work at 100% or not? Have you free memory left? If your memory is gone it will probably try to use your hard disk which is terrible slow. It could also be some virus.
Marcuzzo
Yeah, some rootkits even hide the proccess in the taskmanager
ocalhoun
Dennise wrote:


I'm guessing this slow-down might be Windows updating itself via the internet but I don't see this in the above tools.


You wouldn't, because the process would usually just be labeled as another anonymous windows service.

First, restart the computer... Some people keep it running for months at a time, and on a windows computer, this can cause slow-downs, and even eventually freeze the computer.

Second, run anti-virus and anti-spyware scans.

Look at the task manager, but use the 'processes' tab. Make sure you are showing processes from all users, with the button at the bottom, if it exists in your version of windows. Look for any individual process that's using a lot of the 'CPU' column. If the high-percentage process is a windows process, try disabling various windows components until you find the one that fixes it, if the resource-hog is not a windows process, right click it, and then click 'end process', and see what happens. If there are no high-percentage processes on the list when the computer is slowing down, it is due to some kind of malicious software that is hiding from you, and successfully hiding from your antivirus/antispyware programs.

Then, if that doesn't help, start disabling the things you think are most likely the cause, especially things that run automatically.
Disable windows update, disable automatic virus/spyware scanning, disable anything else that runs automatically. If it still randomly slows down, start uninstalling large software items (office suites, big games, big software programs).

And of course, if all else fails, you still have the universal windows fix-it action: format and reinstall.
Jean-Clod
ocalhoun wrote:
And of course, if all else fails, you still have the universal windows fix-it action: format and install linux.


(ok just joking.. nevermind Laughing )
jdelfire
instead of using task manager
try processexplorer from sysinternals
it will give an in-depth detail with running applications
and can you also please observe your pc running safemode...
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