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Explorer.exe running @ 99% CPU


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#1
franco26

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Hello

I am having some issues with explorer.exe taking up 99% CPU on my PC running XP. I have scanned it for viruses and it has come back clean. If I open Taskmgr and kill the explorer process it frees up the CPU however when I try to start an new process from the cmd line it jumps right back to 99%. Has anyone else run into this before? If you have any tips would be greatly appreciated.

Thank you

Josh
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#2
xxx1

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hi,

do you have the latest windows updates ? if not go here - http://update.micros...t.aspx?ln=en-us express Get high-priority updates (recommended)

if that does not resolve your issue please post back a reply.

cheers...xxx1
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#3
franco26

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I just checked for any new updates and I seem to have all the latest.

Thanks
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#4
xxx1

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does it run high when idle or running other programs/applications etc.
do you have any other programs running in the background ?

Edited by xxx1, 10 February 2007 - 02:32 PM.

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#5
franco26

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It will run high at any time. I could be online surfing for an hour without any problems and then it will all of a sudden just hang. Other time it will happen as soon as the PC boots up. That is what is really confusing to me. The only apps I usually run are Comcast Rhapsody, IE, and the virus software.
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#6
xxx1

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Here are some routine maintenance practices that you should do on a regular basis to keep your machine running efficiently: could we also try this for now.

Disk Cleanup:

http://www.theelderg...nup_utility.htm

Defrag your HD:

http://artsweb.bham....rag-win2kxp.htm

Run chkdsk:

To use Chkdsk, click Start and My Computer. Right-click the hard drive you want to check, and click Properties. Select the Tools tab and click Check Now. Check both boxes. Click Start. You'll get a message that the computer must be rebooted to run a complete check. Click Yes and reboot. Chkdsk will take awhile, so run it when you don't need to use the computer for something else.

Remove unnecessary startups

This should be done through the System Configuration Utility. Go to Start > Run and type in msconfig.
Click OK or hit the Enter key.

Click on the "Startup" tab and remove the check by the items that you have determined are unnecessary. Click "Apply" then "Close"

You will be prompted to restart. Go ahead and restart.

Upon restart you will be confronted with a dialogue box warning about running in selective startup. Just ignore that message and put a check in the box by "Don't show me this message or launch the System Configuration Utility when Windows starts" and click "OK". You will not be bothered by the message again.

Keep in mind that some entries will be re-enabled in the startups each time you use that particular program. Therefore, you will have to find the option in that programs preferences that says something like "Load with Windows" or "Run when Windows Starts" and disable that option.

Go here for info on msconfig:

http://www.pacs-port...artup_index.htm

You can look up the startups at the following links to help determine what is needed and what is not:

http://computercops....tartupList.html

http://www.bleepingc...r.com/startups/

http://www.answersth...es/tasklist.htm

http://www.windowsst...p...t=50&end=75

cheers...xxx1
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#7
SuperSam

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I'd say it's a virus

does it run high when idle or running other programs/applications etc.
do you have any other programs running in the background ?


It's Explorer.exe running @ 99% cpu, nothing else, so it's something to do with Explorer.exe.

Try xxx1's steps if you wish, but I'd say its a Malware problem. Head over to the malware forum (http://www.geekstogo...o_Here-f37.html) and make a post there explaining your problem to those guys, they will know what to do if its a virus, which I think it is...
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#8
xxx1

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hi,

i tend to agree with supersam which would be my next post , if you are still having issues and suspect that it is malware related I would start with our malware forum and see if they can make sure you don't have any malware installed.

http://www.geekstogo..._Log-t2852.html

cheers...xxx1
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#9
franco26

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I have completed the steps suggested by xxx1 and as of now things are running smoothly. The problem could still exist since it was random before. If it arises again I try the other forum.

Thanks for all you help.

Josh
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