Merete: The hard drive is actually less than a year old, the drive had been replaced (upgraded from a 40 to an 80 GB) and Windows reinstalled at the same time. ESET is not Norton but another antivirus product, their website is http://www.eset.com.
This problem occurs even when IE isn't open (and I generally use Firefox and more recently Google Chrome for browsing).
Unfortunately I'm probably stuck with this particular laptop for at least another year so replacement is out; but again the problem only occurs on the corporate network, not on my home wireless, which makes me wonder whether some process may be getting kicked off by group policy on my workplace's Active Directory that could be causing this.
I've used Process Explorer (from the Sysinternals utility suite) to monitor processes and when this problem comes up it doesn't show any suspicious processes, at least none that I can identify as such. You'll just see explorer.exe's CPU use climb; then when I end that process, some other process will immediately climb to 99%. I've seen it jump like this from explorer.exe to Firefox to Outlook to WinAmp, it doesn't seem to matter, something just keeps latching on and ramping up the CPU.
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by: MeretePosted on 2008-09-18 at 03:14:36ID: 22509282
Hello Zoplax, I found explorer 100% issues is a problem with the windows itself, if it has been a long time since you deleted the partition/ formatted the hard drive clean installed on this work system?
Over time the regestry becomes bogged down.
Upgrading to xpsp3 may not help either.
How old is the hard drive? the system components?
I use ESET NOD32 antivirus<< is that norton?
Well it will definately use a lot of resources, then add Windows Defender you have too many very big hoggers of your system resources/
Now add this new SP3 IE7? >> with the phishing filter in IE7, look under
What is the Microsoft Phishing Filter and how does it help protect me? for more details
https://phishingfilter.mic
xpsp3 could also slow older systems consoderably,
The computer may respond very slowly as the Phishing Filter evaluates Web page contents in Internet Explorer 7
http://support.microsoft.c
Probably best to get a new hard drive and start clean, dont put Norton back on though with windows defender.
You only need one
Ask the boss to consider new computers if these are more than 4 or 5 years old.