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svchost cause CPU to run at 100%


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#1 GatorKen

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Posted 01 November 2011 - 02:33 PM

Hi - I've searched this site and there seems to be several references to the same problem I'm having where svchost is running the CPU at 100%. The ProcessExplorer shows that it's the svchost that is associated with wuauclt.exe.

I've ran scans with Security Essentials, but to no avail. When I kill the process, the computer comes back up to speed and applications open, but there are some that are dependant on this svchost and act weird afterwards (Outlook, for example). I'm at my wits end with this and I have a major project to finish this week but have used all my free time trying to resolve this. Please help!

Thanks!

Edited by hamluis, 02 November 2011 - 06:54 PM.
Moved from XP to Am I Infected.


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#2 LouisR47

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Posted 01 November 2011 - 03:53 PM

Hello, Do you know if your computer is fully updated with the latest windows updates?

#3 Allan

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Posted 01 November 2011 - 04:06 PM

Have you run full system scans with BOTH your anti virus app and MalwareBytes?

#4 GatorKen

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Posted 02 November 2011 - 07:05 AM

Hi Guys! Thanks for responding so quickly.

I ran Malwarebytes and also SuperAntiSpyware - they did find a couple of things which were quarantined and cleaned, but the issue with svchost still exists.

I'm running Windows XP Pro SP3 (5.1.2600)

Edited by GatorKen, 02 November 2011 - 07:54 AM.


#5 Allan

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Posted 02 November 2011 - 03:12 PM

Have you run full system scans with BOTH your anti virus app and MalwareBytes?



#6 GatorKen

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Posted 02 November 2011 - 03:26 PM


Have you run full system scans with BOTH your anti virus app and MalwareBytes?

Yes - In my first post, I said I scanned with Security Essentials, then I did with MalwareBytes and also SuperAntiSpyware. Should I scan with something else?

#7 LouisR47

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Posted 02 November 2011 - 03:30 PM

Have you gone into Windows update and see if you have any updates available. And are you using Microsoft update or Windows update?

#8 GatorKen

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Posted 02 November 2011 - 03:38 PM

I didn't know there was a difference in Microsoft Updates and Windows Updates. I had the Automatic Updates turned on which would download them and I would choose when to install it. I have since turned it off trying to get the svchost to stop using cpu. Does that answer the question?

#9 Allan

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Posted 02 November 2011 - 03:50 PM

I'd like to rule out malware before we go further. I suggest you post in the Am I Infected forum and refer back to this thread.

#10 GatorKen

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Posted 02 November 2011 - 07:45 PM

I'd like to rule out malware before we go further. I suggest you post in the Am I Infected forum and refer back to this thread.

Done

http://www.bleepingcomputer.com/forums/topic426080.html

#11 GatorKen

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Posted 15 November 2011 - 11:22 AM

Hey guys - I know you don't like people to bump threads, so I apologize in advance, but it's been over 2 weeks since I posted in the Malware forum and haven't gotten a response. I really need to get this laptop back up and running, so could someone please help me? Thanks!




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