100% CPU Usage By System
Aug 16, 2007
I have a compaq(aka junk box) 3.2 celeron(crap) PC.It just started running like a 95 machine a few days ago. I did ctl, alt del and got a look at proceses running its system, not system idle. It runs at 99-97. I look at cpu usage its maxed never moves. i did a back up of my pictures to disc and did a "destructive" windows reinstall from the recovery menu seeing as cheap compaq crap doesnt give me a windows disc so i can do it the old fasioned way. Is the destructive reformat doing a full format. i prefer zero filling a drive with issues like this. what else could make it do this 100% usage thing right out the door when i install windows.
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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 22, 2005
I recently installed a winTV card in my computer, ever since that I have noticed that when I press ctrl, alt and delete, the cpu usage appears to be 100% full whenever I try to open an mpeg file I have recorded from the TV card. it is a pentium 4 2.8 ghz processor.
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Oct 18, 2005
Why would the cpu usage be on constantly 100% in xp, with barely anything running. that doesnt seem as if its right ... does it?
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Sep 19, 2005
As soon as I turn on my laptop, my CPU usage in the Task Manager is at100%. There are no programs running in the Applications tab and theprocesses using the most memory are explorer.exe (~9000K) andsvchost.exe (~6500K).My computer doesn't seem to be running excessively slow or getting hotdespite this.
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Mar 11, 2007
I've been having a problem with my PC running extremely slow for the past several days and it seems to be related to the process named 'System' when viewing Windows Task Manager. The CPU usage looks like this:
System 50
System Idle Process 48-49
taskmgr.exe 01
other processes move between 0 to 1 (iexplorer, sqlservr, services) Here is a copy of the HJT scan that I took a little earlier today. what is dragging my PC down is most ...
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Feb 3, 2009
My task manager shows my 'system' resource using 60,996k of memory. The CPU usage is not high (basically absent) and the memory usage stays static at 60,996 regardless of what I do (even after a reboot). I need to know why this is happening! Thanks in advance...
BTW, it's XP home.. fully patched, and it's a very new install.
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Jan 15, 2008
My problem is extremely slow performance, and taskmanager shows 95-100% cpu consumption almost all of the time. Even as I type in this textbox the system is lagging. I've used Spybots S&D,
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Jan 6, 2006
My new system has an unusually high level of cpu usage after startup. Windows was only installed a week ago and I haven't installed much software on this yet. Today was the first day I got it online and all I did was install the newest windows updates. The only things I've installed in it are nero, omega radeon drivers, videolan media player, winamp, and adobe.I've looked at the hijack log and I don't see anything out of the ordinary. The odd thing is, the cpu usage isn't constant, it ranges from 30%-50% even when nothing is running.
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Oct 9, 2009
First Post I have a Dell Latitude 810 XP Pro (SP3) 2 meg ram...about 50% HD unusedI have a problem with the CPU useage staying at (100%)even when I close all apps. The Windows Task Manager shows "scvhost.exe System100%" As long as I uninstall Norton I can get some e-mail response but really slow.I spent time yesterday with Dell "pay as you need" they had me run a Malware program (found five culprits) and a Spyware program (found 80 cookies)...took a lot of apps off my start menu...had me go to SP3...had me go to IE8. When done the Widows Task Manager showed appropriate low use % and all worked fine.
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Jun 2, 2005
I recently reinstalled windows xp pro and now the "system" proccess is always using all free cpu. It's not "system idle proccess" just system.After installing right off the xp pro disk, all i did was install the updates up to and through SP2, my motherboard drivers, video drivers, winamp and AIM. Other than that, nothing else has been done, yet system is still using all free cpu.I checked to make sure all drivers were current.
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Feb 28, 2006
When CPU usage gets to 100% it will shutdown without notice. I think it may be because I need to run disk clean up, not sure. This computer is old and I fixed it myself, that's why I think running disk cleanup will help, but when i run disk cleanup my usage goes right up to 100%.
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Apr 6, 2007
I'm running XP pro SP2. I have a gig of ram and my mother board is an Intel D101GGC. My CPU is Intel Pentium D 920.
If I use Windows Explorer to go deeper than the first level of any tree, CPU usage goes to 100% and stays there. I've disabled System Restore because it wouldn't let me go back in time anyway and this program is a known resource gobbler. Didn't help. I've attached a hijackthis logfile to see if anyone recognizes a Trojan, etc. I would appreciate any help at all.
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Oct 19, 2007
I suspect that my PC is infected with Vundo. Ran FixVundo (Symantec Trojan.Vundo Removal Tool 1.5.0)in safemode but was not detected.
Seeing gebyy.dll and pmnnnkk.dll in Hijackthis! but unable to fix (log attached).
Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 11:54:54 PM, on 10/18/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
Boot mode: Normal
Running processes:
D:WINDOWSSystem32smss.exe
D:WINDOWSsystem32winlogon.exe
D:WINDOWSsystem32services.exe
D:WINDOWSsystem32lsass.exe
D:WINDOWSSystem32svchost.exe
D:WINDOWSsystem32svchost.exe
D:WINDOWSsystem32spoolsv.exe
D:WINDOWSExplorer.EXE
D:WINDOWSsystem32ctfmon.exe
D:WINDOWSSystem32svchost.exe
D:PROGRAM FILESPROCESS EXPLORERPROCEXP.EXE
D:WINDOWSSystem32svchost.exe
D:Program FilesInternet Exploreriexplore.exe
D:Documents and SettingsBuzzDesktopHiJackThis_v2.exe
O2 - BHO: (no name) - {837B45D6-BF85-457D-AABF-6D2E7815F791} - D:WINDOWSsystem32pmnnnkk.dll
O2 - BHO: (no name) - {CF3941B9-5A9D-4657-8E2F-D40E79C4AEDA} - D:WINDOWSsystem32gebyy.dll
O4 - HKLM..Run: [PinnacleDriverCheck] D:WINDOWSsystem32PSDrvCheck.exe -CheckReg
O4 - HKCU..Run: [ctfmon.exe] D:WINDOWSsystem32ctfmon.exe
O16 - DPF: {0B79F48A-E8D6-11DB-9283-E25056D89593} (F-Secure Online Scanner 3.1) - http://support.f-secure.com/ols/fscax.cab
O20 - Winlogon Notify: pmnnnkk - D:WINDOWSSYSTEM32pmnnnkk.dll
--
End of file - 1244 bytes
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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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Aug 4, 2005
the CPU would peg at 100% on a program launch and drag the machine to ahalt. Once the program was up and running, everything was back tonormal. Keep in mind that this is NOT just a "slow computer" - it wasbrand-new behavior that started for no reason I could discern (I didn'tmake any hardware or software changes before the problem cropped up).I've run a couple of antivirus programs and adware cleaners and they've found nothing. I've used utilities from sysinternals.com to look at what's going on and I can't see anything strange.
I'm having problems simply launching applications. If I attempt to launch an application, it will show up in Task Manager (but not in the UI), but will almost always stop loading at ~5MB in memory (usually from about 4.7 to 5.7MB). Every once in a while, the program will start without a hitch, but it's rare. The one somewhat (but not entirely) consistent thing I've been able to find is that if I kill another program, I can then start the program I was trying to start (again, I have 1GB of RAM in this machine and plenty free, so it's not a memory problem).
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Mar 13, 2008
I'm scared to try and interpret for my own use. I have 81 processes running and have no idea which ones I can disable and which ones to not. I'm always nervous about messing with that. But, am I right in thinking that disabling something in the MSCONFIG thing at startup won't affect the program??? Can you still get to it? It just won't start up automatically, right? So, could I hurt anything if I disabled alot? So, how could I give you a list of all the processes running? I'm also having a problem with the xp update. I'm always showing that I need to update, but when I do this one part always fails. Here is what it says.
Security Update for Microsoft.net framework, Version 1.1 Service KB928366 didn't update. I'm not sure why, but it won't ever update. Also, in AOL I get an error message constantly which says this: A Runtime Error has occurred. Do you wish to debug. Line:? Error: Object Expected. I have no idea what that means and what or how to debug. I have tried repeatedly to uninstall and reinstall AOL but it keeps happening. Does anyone know what that means.
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May 27, 2007
My CPU Usage always shows 100% and my system is getting very slow although I have not installed any big software and have strong antivirus (symantec) whose definition files are updated .So , why is it happening?
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Jan 8, 2005
I just formated my pc and installed windows xp pro and sp2 and the cpu usage was always under 20% now its always over 50%-60% with i installed the programs i needed. before I formated it was the same with high cpu usage but i installed sp2 and the cpu usage went under 10% but few weeks later it went back up, so i formated.
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Jan 4, 2009
CPU usage is constantly at 100%. It started acting up a couple of months ago and I uninstalled all the software that I had recently downloaded (games etc) but still have this problem. I think this is also the reason everything just freezes suddenly for a good 2-3 minutes causing me to bang my head against the nearest hard object.Regarding this, in Task Manager --> Processes --> sort by CPU: CMD.exe is constantly using 65-85(keeps on changing) followed by csrss.exe at around 20-30
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Apr 24, 2008
Out of nowhere a couple days ago my computer began lagging badly. The cpu usage is stuck at 100%, which the system process dominating the usage fluctuating between 70-95%. Now the computer will work decently for about 30 seconds at a time, then it will freeze for 45 seconds to a minute, over and over again, which is highly annoying. I downloaded ad-aware and it showed nothihng, and I am in the midle of a virus scan. Any help would be greatly appreciated, I dont know why this came out of nowhere. ADD ON: When running mcaffee virus scan, it s process jumps to the top fluctuating between 70 and 95. System tops off at like 20, but if I pause the scan it goes back to what it was doing before. WINXP SP2
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Mar 31, 2006
limit my RAM usage in XP just like in 98/ME have? or any soft I can use to do this tweak
My system becomes unstable when using large memory (tested it with memory diagnostic tools and found out that there are random data loss when accessing large part of the memory
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Jan 11, 2006
xp sp2 I have a 3.2ghz processor 256mb graphics card nvidia 6200 and 1024 ram memeory the problem occured when i tried to open an avi movie file, i was moving the avi film from my downloads to shared folder but when i looked in shared folder it wasn't there so iwent back my downloads folder. when i tried to open or delete it a pop-up appearred saying the file was in use by another program, after a while i was able to delete it by dragging it to recycle bin. but 3 days on when i open a folder or firefox or an application the cpu usage goes from 7% to 100% and pf usage 550mb.
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Oct 31, 2005
I recently kept getting a blue screen everytime I tried to restart my computer. This happened with my old computer and I ended up having to get a new Hard Drive. Well I was able to fix this problem by booting in safe mode and system restoring to an earlier date. Well now my CPU Usage is always running high, over 30% almost aways, dipping all the way up to 100% sometimes. This is when I have nothing system heavy running, I have Dual 3.2Ghz EE processors and 2GB of Ram.Well I was getting a similar problem last month, it was because of the trojan vundo. I got vundo off a couple weeks ago and no more CPU Usage problems. Well I didn't go THAT far back in system restore. So I did an updated Norton Scan, and updated Adaware scan and an updated spybot scan, still gettin the problem. It's doin enough that I cant watch videos with th epicture being jerky and sometimes it freezes my IE for 15 or so seconds.
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Dec 25, 2005
I notice sometimes that my computer usage will jump to a very high percent. Most of the time between 60-100%. I get this when Im not doing anything, if theres nothing running (That I know of). Sometimes if I have more then 1 IE or FireFox box open. It will jump to 80%. Can someone help me find out whats going on?
Rob
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Feb 10, 2006
I'm hoping I can resolve an issue here. First let me start out by apologizing for this long post, but i'm trying to get as much info out as I can.Recently i've been having big problems with my computer running VERY slow, my computer takes 5 minutes to boot up when normally it would only take 1, my mouse moves very laggy, and I can't start up any programs without having to wait minutes just for it to start. When I look at the performance monitor, my CPU usage is anywhere from 50%-100%...and i'm not even running anything! First let me get somet things out of the way. First off I have a laptop with AMD Athalog 64 2.5 ghz processor, 1.0gig of ram, and a ATI X600 mobility video card. I've had my computer for a little over a month so it's not outdated or anything, and all of my drivers are up to date.
I did a viruscan on my computer which took very long b/c my CPU usage was very high, and nothing negative came back when I did so. I ran adaware and removed all of the adware I had.still didn't fix the problem.
After trying both of those things I decided i'd try to restore my computer to an earlier point. it was successful. That was a couple days ago when I was having this same problem. Well here we are present date, and i'm having the same problem again. I tried restoring my computer to an earlier point again, but this time it resulted with some troublesome problems, apparently an important ATI file was deleted or something (not sure exactly) and I couldn't boot my computer up in normal mode, I had to go back into safe mode and rollback the drivers for my computer to even boot up. That was approximately 30 minutes ago, and here i am now. Obviously restoring didn't help this time because my computer is very slow at the moment.
I don't get it, because both times this has happened, it comes out of no where. My computer will be running just fine, then 'BAM!' out of no where my CPU usage is out of the roof. I'll try restarting, closing everything on my toolbar nothing works. Speaking of toolbars, mine is pretty empty, it's not overloaded with a bunch of crap, mostly just important stuff like firewall and virus scan. I can't imagine that restoring my computer is the only option here. There has to be something that is causing this, that i'm not detecting. Originally I would have guaranteed it was a virus, but McAfee Virusscan isn't picking up anything. And it's obviously some software issue, because when I tried restoring my computer a few days ago when I was having this problem, everything ended up working normally after that. This time when I tried it though, there was no luck.
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Feb 19, 2006
Ive noticed that for the most minmal ofpc tasks my cpu usage alwasy jumps to 89-100% which in turn slows down my PC? does anyone have any ideas how i can lower that?
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May 22, 2006
My CPU Usage is too high. My computer is running really slow because of it. I looked under Windows Task Manager/Processes and System is taking up about 50% of the CPU Usage. It is not a virus because I have been through a whole thread in the Security section and they said I have no infection. This does this off and on. I have been having this problem for a while and then it stopped. I just restarted my computer and it just started again.
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Sep 23, 2006
Is there anyway to lower cpu usage other than eliminating open processes and applications?
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Jan 2, 2007
This question is actually going to be for a friend of mine mostly and secondly for me. We have the same issue.We both have Norton Antivirus 2007 and the latest updates We both Have Zone Alarm Pro and the latest updates We both have all the latest drivers for all our hardware and use third party driver toolkits just to be sure about it We both Recently formated and reinstalled windows and made sure we have all the latest windows updates We both scan for viruses and other types of malware religiously For some strange reason my computer will be completely idle and out of nowhere the CPU will start running high (fast).I mean, it's literally out of nowhere because there are no changes in whatever i am doing. I will leave the computer completely untouched, without being connected to the internet and the CPU will just go off on its own running at high speeds out of nowhere. I don't even have a screensaver.
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