Computer Running Slow / Getting 100% CPU Usage?
Mar 13, 2008
Recently found my computer running very slow almost stopped, not able to perform any function. Through task manager found CPU running at a steady 100%. Ran Hijackthis, spybot, and updated and ran antivirus - with no problems found. started in safe mode and CPU usage was at 1%. Working through msconfig i started turning services off untill i found culprit. The plug and play service is causing my problem with the CPU, but I don't know how to fix it.
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Mar 5, 2007
Could someone please take a look at my HJT log. My CPU went up to 100% about ten minutes ago and hasn't dropped since. I didn't see any odd processes and I just restarted and it just jumped right back up to 100.
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Oct 14, 2008
my computer running extremly slow and all the times task manager shows CPU usage at 100%
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Sep 17, 2005
I am having a problem on my xp pro machine my computer is very laggy and when I go into task mamagment with crtl-alt-delete it should cpu resource usage 99% it's not suppose to be this can
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Aug 26, 2006
our computer is running slowly. When trying to open programs the hour glass flashes and so do the icons. I ctrl alt del to check my usage and it keeps going up to the high 90's and then back down. I have updated and ran Adaware , spybot and AVG.
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Jun 27, 2005
My PC is running superslow. Task manager shows that explorer.exe is using up to 99% of CPU usage- even though I have no programmes running.
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Sep 23, 2006
I noticed my laptop lagging a lot. I checked the CPU usage, and it was constantly at 100%. After retstart and shutdown, the cpu usage would never go lower than 100%. I did a system restore to a week ago when I did not have this problem, but this did not help. Did a spyware scan with Spybot and Ad Aware, again no help. Did a virus scan with TrendMicro, no help again.
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Oct 5, 2005
My computer started running extremely slow. When I check the task manager it notes that the CPU usage is spiked at 100%. I checked to see what is using most of the CPU and its "explorer.exe" using about 99%.
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Sep 18, 2006
I bought this new computer about 6 months ago and up till now no problems. I have Windows XP and now Internet usage is running ver very slow. It seems the green line on bottom takes for ever to go across. I know I only have dial up service (I know my son says i need cable but i don't want to spend any more money on Internet) but it has never run this slow before.
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Feb 25, 2007
Recently my laptop has been running very slowly and I've noticed that the cpu usage is usually at 100%, even when most of the more memory intensive programs such as firefox and azureus are closed. Is this a problem with most lenovo laptops? I have a thinkpad T43p.
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May 1, 2007
I am using windows xp pro with a 2.00ghz celeron cpu I also have 2gb of ram, lately my pc seems to be slow and explorer keeps crashing causing the desktop to reload if i look in task manager my cpu is almost always at 100% I have done a virus and spywear check but that found nothing
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Apr 26, 2006
i know this has been posted before but none of the solutions have worked for me. i have a toshiba satellite laptop. it started running extremely slow and the cpu usage is at 100% all the time. i reformatted and reinstalled windows xp but that didn't solve the problem. i noticed when i was reinstalling windows xp, it was going slowly as it did before, and i hadn't even started up windows yet. when i would click the next button when installing it would do the same slow lagging thing. i tried everything when i did start windows too. i tried deleting the explorer.exe process and retyping it in
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Jun 26, 2009
I have windows xp And its running slow , i have just done a system restore, and its still running slow. I have just noticed that In windows task manager,in performance its saying that the cpu usage is 100% when i have nothing running.
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Mar 12, 2006
My computer is running at 100% full capacity all of the time. As you can imagine, this makes things run very slowly. Any ideas of what could be causing this problem? My task manager has unfortunately stopped showing processes, and no programs are running when the capacity shows 100% usage.
I'm using a dell inspiron 8000, Windows 2000, Pentium III.
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Mar 26, 2007
When I run IE, Outlook or several other applications, which I can't run at the same time or the computer works forever to do anything, my CPU usage jumps to 100%. Does anyone know how to fix this problem?
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Oct 24, 2007
my computer is really slow..my cpu usage reaches 100% i tried borrowing my girlfriend's laptop and used it here at my house..it was running good when she was using it in her place..when i used it here it my place it became slow too and had a 100 cpu usage too,,what should i do? is it my internet provider thats causing these troubles? when im not connected to the internet i dont have these problems.
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May 10, 2010
Lately my computer has been extremely slow, not just internet slow but onboard slow. For example, if I click on an application from the desktop it will sit there for 10-20 seconds before anything happens. Occasionally I'll click multiple times on something and nothing will happen then 30 seconds later it will open multiple instances of things. This delay has been happening with just about anything I click on, acting like the computer's busy doing something else when nothing else should be going on. I've looked in the task manager and the applications column will be blank
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Jul 9, 2009
I have a laptop operating on Windows XP. Recently my computer has become extremely slow. I have gone into task manager and noticed that the CPU usage is quite high, even when there is very little running. At times the system idle will hover in the 90% range, however the CPU usage will also stay in the same range. (As far as I know, if idle is at 90%, than CPU usage should not be higher than 10%). I can't figure out what else is running that is making the CPU usage run so high. I have run various virus and spyware tests and all have come out clean. I have used cc cleaner to clean my registry and even update some of my out of date drivers but the problem has continued.
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Feb 21, 2008
I had dial up 4 years, I finally got DSL a month agao, now instead of my computer running faster , it is running slower than dial up! I also get a message after I shut down a window, ( memory could not be read error ) sorry I forget the numbers but will copy them down when i log off. I have Windows XP Home Edition.
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May 27, 2006
We run Comcast high speed, two computers running though a router setup. My son "opened a port" to speed up his game play. My computer now crawls. Pages take too long to load, and I now sometimes get the server error message here, server not responding. Any idea what I can do. My son seems baffled, but I know he doesn't want to sacrifice his warp speed game play.
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Sep 5, 2005
Someone told me that my computer is running slow because I have too many programs running in the background. Could this be true and if so, how do I delete the unnecessary programs and more to the point, how do I recognize which programs are necessary and which are not?
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Nov 1, 2007
My friend, who has given a Dell Optiplex GX240 running Win2K Pro. 512MB RAM To help her out, I got rid of porn, viruses, and spyware using: Ad-Aware, AVG spyware and AV free versions, Trend Micro House Call, Spybot I checked the task manager, and has constant 100% CPU usage, avg memory usage The system runs, but apps open slow, so I tried some freeware reg cleaners: CCleaner, Eusing Free Registry Cleaner, Wise Registry cleaner.
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Jan 4, 2006
My pc was working just fine a few days ago then last night i go on it was just dragging.Everything was loading slow despite the fact i have even firefox was loading slow which it never does.Anyway i asked my sister who was the last one on if she clicked on anything but no surprise the reply was I didn't do anything so i guess it was a ghost .I ran NAV but nothing found then again NAV doesn't seem to find anything
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Sep 8, 2006
Pc taking for ever to load, mouse slow too...
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Dec 24, 2006
I ran Ad Aware SE and later Spyawre Doctor and found nothing also clen temp. files on IE/Tools/temp folders then I ran %temp% and deleted all temp files but it gave me an Error File or Folder mon000 that says close any programs that might be using the file and try again. I don' know what file that is. there are two files that were not deleted: mon000.log and one named Dat.File pefib Perfdata Also ran ATF-cleaner
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Aug 7, 2005
Win XP HE SP2. Dell 8300 3.0 Ghz .PC takes minutes from startup to desktop. All programs much slower than usual.I regularly use Defrag, Have Microsoft anti spyware, Panda anti virus, Ad Aware Spybot, System Mechanic Pro.etc.Have tried everything!
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Jan 23, 2009
Why is it taking my computer 3 minutes to boot to the desktop? As you can see from my signature below, I don't have exactly a slow poke machine. All drives are defragged weekly, the BIOS is set to boot off of the hard disk, and I only have the one OS installed.This thing use to boot to the desktop in 20 seconds.
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Jan 19, 2007
My computer has been running slow and I just did a quick virus scan and I seem to have a 8 trojan horses or something
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Jul 19, 2005
I need to delete? My computer is running slow and now AOL will not run. There have been massive pop ups and some other things.
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Oct 3, 2005
trying to help a friend with his computer- running very slow.
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Mar 14, 2005
All of a sudden everything on my computer is running so slowly. I am running on windows xp.
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