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  1. #1
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    100% CPU Usage (XP SP1, NAV 2003-V9.05)

    As you can see from the attachment - my desktop is running continuously at or above 70% CPU usage. In the TM-Processes list, the NAVAPSVC process (Norton's auto-protect) is consuming substantially more time than even the system idle process - NAVAPSVC = 48 hrs, SIP = 22 hrs over a slightly greater than 3-day period. So I asked Symantec about it. They told me that this was caused by not performing a restart after installing NAV. I performed an uninstall and a re-install of NAV, restarted and the problem stayed the same.

    Naturally, disabling NAV's auto-protect capability (right-click on NAV task bar icon and choose "disable auto-protect") immediately drops the CPU usage to the 30-35% range. This action puts the NAVAPSVC process in suspension. Since I'd rather not disable auto-protect, I dealing with a slow-response system. For example, it takes upwards of 30 seconds for the system to display a new IE window.

    Another thought I had was to kill the NAVAPSVC process. This disabled auto-protect, of course, and the CPU usage dropped precipitously to the high 20s. Once I restarted auto-protect, the CPU usage rose to the low 30s and stayed there. I thought this was great.

    However, there was a horrible side effect and I'm assuming it was related to killing and restarting the NAVAPSVC process. The reason for my assumption is that I have restarted my system and run it for just over 3 days without performing any of the above actions and I'm not having the problem described as follows. After a few hours, icons began losing definition, text in windows began disappearing and the system slowed down tremendously. Finally, the system came to a dead stop, began dumping memory (BSOD) and then restarted itself. This happened a few times. I cannot remember exactly what the BSOD error message was - something with BAD and POOL, but not BAD POOL CALLER, as I recall.

    Hardware info - 1.8GHz CPU, 1GB physical memory, 60GB disk

    Any ideas?

    Many thanks,
    Al
    "Do or do not do. There is no try." -- Yoda
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    When did this start? Did it just start doing this or has it been doing this for a long time. Have you ran a Spyware program like Adware or Spybot to see if there is any Spyware Programs on this Computer? Have you checked for Viruses?

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    Super Moderator jscher2000's Avatar
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    What are your settings for NAV? Is it just waiting for you to touch a file, or is it running around calculating checksums for everything? If it's just waiting, that's an outrageous amount of resouces to consume. Does it have a real-time monitor that lets you see what it's doing, or a log? Maybe you can exclude certain files or folders that some other process is accessing and bring it back in line.

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Al--

    I'd run Spybot and Adaware anytime any program is giving this problem. I don't think NAV is doing this alone--it's having help to cause this mischief from somewhere else. I don't buy Symantec's explanation here. I'd also uninstall and reinstall NAV. Further because of the strange behavior with your icons, I'd update to the newest video driver for your card, and if you have it, I'd uninstall and reinstall it--perhaps it was corrupted.

    SMBP

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Al--

    I'd also check msconfig's start tab for anything you don't need starting up, because Norton Antivirus has been known to kick up mischief with all kinds of applications.

    I'd also have a good look at the processes running when you startup and you can also refernce and context them at:

    Black Viper's Windows XP Service Configurations

    SMBP

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Thank you to everyone who has replied so far.

    Here are some facts about the system I'm having the problem with:
    1. <LI>I have been running AdAware every night for many months. So, unless AdAware is not doing its job, we can rule out spyware.
      <LI>Virus checking goes on all the time and virus definitions are current as of today (8/27) - LiveUpdate checks daily.
      <LI>Here's what Symantec says "auto-protect" (NAVAPSVC) does:
      <hr>
      Norton AntiVirus Auto-Protect loads into memory when Windows starts, providing constant protection while you work.

      Using Auto-Protect, Norton AntiVirus automatically:
      <UL><LI>Eliminates viruses, worms, and Trojan horses, including macro viruses, and repairs damaged files
      <LI>Checks for viruses every time you use software programs on your computer, insert floppy disks or other removable media, or use document files that you receive or create
      <LI>Monitors your computer for any unusual symptoms that may indicate an active virus
      <LI>Protects your computer from Internet-borne viruses
    <hr>
    <LI>Unfortunately, NAV has no RT monitor capability.
    <LI>I have uinstalled and re-installed NAV with the same resulting behavior.
    <LI>I'll take a look at Black Viper's Windows XP Service Configurations and see if it helps.
    <LI>Video driver - I changed my Windows error reporting to send me MSFT's response on error submission. After one BSOD, MSFT told me that this was a device driver problem. Okay - it must be the video driver, says I. I locate and update the driver - same behavior.[/list]Gang, this is a real stumper! <img src=/S/hairout.gif border=0 alt=hairout width=31 height=23>

    At the moment, I am running with auto-protect turned off and CPU usage is running below 20%.

    I've attached Symantec's latest response as a text file - after their server decided to let my support response through (hence the "welcome back"... in the message).

    Thanks again,
    Al
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Al--

    Make sure with AdAware that you're hitting the globe at the top to update it's data base which changes every 3-5 days. Also I'd complement it with Spybot and a pre-emptive guard for spyware, malware, unstable BHO's.

    You said that "Virus checking goes on all the time and virus definitions are current as of today (8/27) - LiveUpdate checks daily."

    I wish that were true but it just ain't so. Live Update updated you yesterday because when it's Wednesday at Symantec in Cupertino, California that's when it does it [/b]weekly.[/b] It doesn't matter how cute they make the Live Update in that yellow box, or how many progress bars jump up and down--it's only weekly if you passively rely on it and that's not good enough. If they were thinking they'd eliminate it all together; have it update daily, or tell you explicitly to use the response site but they don't--I did.[/b]

    Security Response Web site shows more recent virus definitions than LiveUpdate or a virus write-up shows that more recent definitions are available Document ID:2002021908382713 LastModified :07/22/2003

    This is what you need to use to get daily updates: It takes 25 seconds and 3 mouse clicks.

    Symantec Security Response Updates Definitions Monday through Friday: Drag this link to Quick Start

    This advice gets your viral definition updates optimal, but doesn't help you with the main CPU problem now. The BSOD indicates something is going on, possibly hardware--possibly driver related. "After one BSOD, MSFT told me that this was a device driver" What was the error or info on your BSOD? Did it have a lot of zeros and a 7B in it? That might help us. Whatever's going on here that's CPU intensive is involving more than any Norton component I feel sure. Norton is doing to you what it does so well--it's redherring away your attention from the real culprit who may or may not be in concert with Norton but I doubt seriously this is just Norton.


    SMBP

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    <hr>At the moment, I am running with auto-protect turned off and CPU usage is running below 20%<hr>

    So when Norton Auto Protect is off, you don't have the problems you were speaking of in the prior post? If so, sounds like a Norton problem to me. Norton is a resource hog, always has been and probably always will be. Oh and I read your Attachment. So basically they want you to turn off everything but Norton. Thats a good answer. <img src=/S/drop.gif border=0 alt=drop width=23 height=23>

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    I agree--Norton can be a resource hog, particularly on more memoring leaking OS's like Win 9X. But they also have literally a couple thousand KB's and papers detailing all their conflicts. I run it with 55 windows open and several resource using applications, as it is right now, and my total CPU usage is 9% and all the Norton processes aren't taking near as much as is being reported here. I still think it's something else helping, but its possible. I wonder if tweaking virtual memory (paging file) minuum maximum size on the Advanced Tab>Settings button of the System Properties dialogue box would help Al--it might be a workaround that works--only takes a few seconds to try.

    "After a few hours, icons began losing definition, text in windows began disappearing and the system slowed down tremendously" And what's up with this? Just out of memory, maybe but was his BSOD unrelated? It surely gave an error message that was written to Event Viewer.

    SMBP

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Al--

    At the time you got the BSOD--what was the error message that was probably written to your Event Viewer--it could help? Also since the icon phenomenon was a symptom of low memory, why don't you go to System Properties>Advanced>Settings>Advanced and up your paging file values from the Windows XP default of 2.5 times ram? See what happens for a little while. You can change it back to default in seconds.

    SMBP

  11. #11
    Super Moderator jscher2000's Avatar
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    > At the moment, I am running with auto-protect turned off and CPU usage is running below 20%.

    Well, I think you should turn it back on. What's good's an idle CPU if you get whacked with a virus?

    Do you have the Indexing service running? I wonder whether that causes NAV any excitement.

    Maybe SysInternals, which has a variety of free monitoring tools, has one that can keep an eye on the Norton executable's activities?

  12. #12
    Super Moderator jscher2000's Avatar
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    <P ID="edit" class=small>(Edited by jscher2000 on 28-Aug-03 01:10. Link problems.......)</P>Sorry, Plan B: download PC-cillin, a competing product, and try that for 30 days.

    Trend Micro is running a "$20 off" special for PC-Cillin, which makes it $30 (check the SOBIG.F page, since I can't paste the link). There's a $25 mail-in rebate for Norton/McAfee users: http://www.trendmicro.com/ftp/products/pcc...llin-rebate.pdf; I don't know if these are combinable... if they are, $5 is a pretty good deal!

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    Jefferson--

    Some people I know who do IT adminstration have said in the last two weeks that they prefer Trend Micro over Symantec products because they have significantly better 'real time' or current defnition development. I know you know Trend very well--have you heard any of this?

    SMBP

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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    I have been running PC-Cillin for about 2 years now, and I love that fact that it doesn't use a lot of resourses and has managed to catch every Virus that has tried to attack my Machine. It updates itself almost daily sometimes. I mean they really stay on top of things. And as I said above, it's not a resourse HOG.
    And if you have 1GB of memory I wouldn't think Virtual Memory would have a problem. I have 768 MB of SDRAM and have Virtual Memory turned off. I run all kinds of Apps, 3D Games and such and have never had a problem with low Memory.

  15. #15
    Super Moderator jscher2000's Avatar
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    Re: 100% CPU Usage (XP SP1, NAV 2003-V9.05)

    I don't have any inside information I can share. <img src=/S/grin.gif border=0 alt=grin width=15 height=15>

    Trend Micro had a lead of a few years over Symantec and McAfee in centrally managed, corporate antivirus and gateway scanning. But their visibility among home users is low. Only so many marketing dollars to go around, I guess.

    I got a rejection of a SOBIG message today from a user at the US Postal Service. SOBIG is redefining 6 degrees of separation. What I found really annoying was that the message (see below) wanted me to open an HTML message for information. What are they thinking?! Well, I saved the message as an MSG to my desktop and opened it in notepad. Any McAfee users, please complain. There's no reason to send this out as HTML:<blockquote><hr><html><head><meta HTTP-EQUIV="Content-Type" content="text/html; charset=UTF-8">
    <title>VIRUS INFECTION ALERT</title></head>
    <body>
    <h1><font color="#FF0000">VIRUS INFECTION ALERT</font></h1>


    The WebShield

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