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rundll32.exe hijacking 100% CPU


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asaya

asaya

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Hi,

I read some posts on CPU 100% usage with rundll32.exe. I hope someone can talk me through steps to resolve this!

recent downloads and other activity that might be useful background in resolving this and/or understanding where the hijacker got in:


two days ago, reset IBM thinkpad T41 to factory settings / OS XP Professional 2002, service pack 3. using antivirus protection by norton.

today, i installed and then tried to uninstall IE8; uninstall using windows tool not successful; downloaded "perfect uninstaller" (http://www.perfectuninstaller.com/)
thinking this would completely uninstall IE8 for free (only because it said "free" download). I aborted process when they wanted to charge fee. that software is still on my system.

I am currently using Google Chrome (also downloaded today)as browser.

uninstalled office 2003 and installed free trial of office 2007 with business contact manager (a few hours ago). first noticed 100%cpu usage while using BCM about an hour ago. I powered off and on, re-opened outlook and BCM - cpu went up to 100% a couple minutes after opening BCM.

Other symptoms:
not able to close outlook; I've had to power off a couple times. As i write this, CPU usage is normal; I am only running google chrome.

This is killing my time and energy. I desparately need to get my system steady.
any help to resolve this issue greatly appreciated (as well as any insight into how I managed to let this happen!)

Thanks ahead,

Anna
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