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Solved: Automatic Update uses 100% CPU

Discussion in 'All Other Software' started by Palladia-Mors, Apr 16, 2008.

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  1. Palladia-Mors

    Palladia-Mors Thread Starter

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    I have Windows XP Home Edition. Several times every day, my computer slows to a crawl and the Task Manager shows 95-100% CPU usage, which generally continues for several minutes. Usually when this happens, a program named AUPDATE.exe is on. (or maybe it is AUPDATES.exe). Several other programs also start that are not usually on. I can't see a specific process that is taking up 99 CPU, but the total CPU usage bar at the bottom does confirm it. The computer gets so slow that if Firefox or Word is open at the time, the program freezes and I have to end it.

    It was always set to only run once a day, so I can't imagine why it ever ran several times a day.

    I've seen advice to apply a patch to svchost.exe, but I've read that this patch often does nothing or makes the problem worse. I did not want to stop updating my computer, but considering this problem is so bad I turned off Automatic Updates in Control Panel.

    Turning it off did not work. AUPDATE.exe still comes on several times a day, and still sucks up all the CPU and/or freezes other programs. The setting is still Off, so I don't know why it is not in fact off.

    1. Is Automatic Updates not the same thing as AUPDATE.exe? Did I turn off the wrong program?

    2. How do I make it stay off? Or how else do I make this CPU-drain stop? Is there some other fix besides turning off A.U.?

    3. If A.U. stays off, how else can I keep my computer updated and secure? Is it really necessary to update the computer every day or every week, anyway? Isn't once a month enough?


    Thanks.


    EDIT: It happened again (third or fourth time today) and I tried to observe some of the processes. Sometimes LuCallbackProxy.exe was using most of the CPU, other times CCSVCHST.exe used most of the CPU. CPU remained above 90% but switched rapidly between a large number of programs that opened along with AUPDATE.exe. When they closed the CPU went back to normal. These were the same programs that open every time: several named LuCallback*.exe and one with a name like "wuault"
     
  2. tacoman359

    tacoman359

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    Do you have any Symantec (Norton) products installed?
     
  3. Palladia-Mors

    Palladia-Mors Thread Starter

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    Yes, I do. I have something called Protection Center/Internet Security.
     
  4. John Burns

    John Burns

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  5. tacoman359

    tacoman359

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    If you don't use Norton it, you should probably delete it. Norton is one of the slowest antiviruses. I would recommend either getting AVG or ESET Smart Security. There is a free version of AVG here, but for the best protection you should buy one.
     
  6. TheOutcaste

    TheOutcaste

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    wuauclt is Windows Update Automatic Updates CLienT This is the Microsoft Update program.
    aupdate is Norton's Automatic Update and LuCallbackProxy.exe is part of Norton (Live Update CallBack Proxy)
    The default is to check every 4 hours, +/- a random few minutes. You can set the time or turn it off completely from Control Panel | Symantec LiveUpdate (At least that's where it is in SystemWorks, not sure if they've changed the location)

    You may need to turn off the Symantec Protection feature and run live update, that's fixed this issue on some systems. This article shows the steps for NAV 2007, your version might be similar.

    Of course there are other free options to Norton that are less intrusive.

    Spyware Links
    AdAware 2007 Free
    Older versions of AdAware for Win9x
    SUPERAntiSpyware Free Edition
    Ewido/AVG Anti-Spyware 7.5
    AVG Anti-SpyWare Free Edition
    AVG Anti-Rootkit Free Edition

    Anti-Virus
    AVG Anti-Virus Free Edition
    Older Versons of AVG
    Avast Home Edition


    Anti-Virus Online Scan
    Kaspersky Online Virus Scan
    Jotti Online Virus Scan
    VirusTotal Online Virus Scan
    Virscan Online Virus Scan


    Firewall
    Comodo Free Firewall
    ZoneAlarm Free/Trial Versions
    Older versions of ZoneAlarm for Win9x (Use Pre 6.5)
     
  7. Palladia-Mors

    Palladia-Mors Thread Starter

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    Solved.

    Thank you very much!:)
     
  8. TheOutcaste

    TheOutcaste

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    You're Welcome!

    If your issue has been resolved you (and ONLY you) can use the Thread Tools at the Upper Right (above the first post) to mark this thread Solved.:)
    [​IMG]
     
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