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7.4

Processes occasionally max out CPU, then this behavior "hops" from one process to another?

Asked by Zoplax in Windows XP Operating System, Active Directory

Tags: Microsoft, Windows XP, service pack 3

I'm occasionally having weird issues with Windows XP service pack 3 on my older Dell Latitude D800 laptop when running on my corporate network.  I never have this issue at home, it only seems to occur at my workplace while hooked in to their network.  It hasn't occurred specifically since upgrading to service pack 3, it's happened as long as I've been using this particular laptop, back before service pack 2.

For no obvious reason, a process (most frequently EXPLORER.EXE) will climb to 99% CPU, forcing me to End Process on it and then bring it back via Task Manager.  Sometimes, when I rerun EXPLORER.EXE in this manner (which is necessary to get my taskbar and desktop icons back), its resource hogging resumes and it climbs to 99% CPU once again; this has happened anywhere from 6-12 times in a row.

Other times I might be browsing the web with Firefox, and suddenly its CPU will climb to 99% or more.  I will End Process on it, then it seems like the next application that gets focus is affected and I need to End Process on that until mysteriously the issue goes away.

I've scanned for viruses and spyware using Malwarebytes and SpyBot, no results.  I use ESET NOD32 antivirus, its scan has returned no results.  

Again it only occurs while on my corporate network, never from my home network.  While at the workplace there is an Active Directory and there are group policies that get refreshed regularly (Windows Defender will frequently show alerts about policies being applied to set my browser home page, etc) but when these occur it doesn't coincide with the runaway processes.
[+][-]09/18/08 03:14 AM, ID: 22509282Expert Comment

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[+][-]09/18/08 10:02 AM, ID: 22512983Author Comment

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[+][-]09/20/08 07:53 AM, ID: 22529848Expert Comment

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[+][-]09/27/08 10:08 AM, ID: 22587806Author Comment

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[+][-]10/22/08 02:48 PM, ID: 22781632Accepted Solution

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About this solution

Zones: Windows XP Operating System, Active Directory
Tags: Microsoft, Windows XP, service pack 3
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Solution Provided By: Merete
Participating Experts: 2
Solution Grade: B
 
[+][-]10/25/08 07:59 AM, ID: 22803674Administrative Comment

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