ieexplore remaining in task manager

Discussion in 'Internet Explorer' started by Rage Skywolfe, Jun 6, 2009.

  1. I have had a problem since I installed windows defender the last time around.
    when I close my internet explorer browser out, it remains in the task manager
    unless I close it out manualy alot of times.... I ran a mem test to check for
    errors in the ram a few days ago and I am wondering if that has had anything
    to do with it. because it has stayed the same even since this last reformat
    when I did a partition delete.
    Rage Skywolfe, Jun 6, 2009
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  2. Please state your current IE version & full Windows version (e.g., WinXP
    SP3; Vista x64 SP2) when posting to this newsgroup.

    Why did you find it necessary to uninstall/reinstall Defender?
    PA Bear [MS MVP], Jun 6, 2009
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  3. sorry about that.
    I am on XP SP3 and IE 8 and I uninstalled defender because of errors I was
    getting at the time of Userenv. I have since reformated and still the
    iexplore remains in task manager after the broswer has closed at different
    times. seems to be intermittent right now. I just wondered what the deal was
    because it usualy doesn't do that.
    Four Generations Of Trust And Betrayal...One Legacy

    Rage Skywolfe, Jun 6, 2009
  4. PA Bear [MS MVP], Jun 6, 2009
  5. not really because that I can see it doesn't say anything about it remaining
    in task manager ...... usualy you will see two instances of it running while
    the browser is open. more if you have more pages open. what I am
    experiencing is these processes remain there even after the browser is
    Four Generations Of Trust And Betrayal...One Legacy

    Rage Skywolfe, Jun 6, 2009
  6. it still remains in the processes window.* mind if I send a screenshot?
    Four Generations Of Trust And Betrayal...One Legacy

    Rage Skywolfe, Jun 6, 2009
  7. I'm having the same problem with IE remaining in task manager, often several
    instances of it, sucking up a lot of memory, and having to manually shut down
    the processes. This started immediately after I installed the IE8 upgrade
    (going from IE7, running XP Professional).

    Never had that problem with IE7. Meanwhile, unlike Rage Skywolfe, I did
    nothing with Defender (I'm not sure I even know what that is). Thus, in my
    experience, this appears to be a bug related to the IE8 upgrade, and I too
    would be interested in a solution. Thanks.

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    Arnold Winter, Jun 6, 2009
  8. Rage Skywolfe

    VanguardLH Guest

    It will take several seconds before IE8 finishes its cleanup and then
    unloads itself. How long are you waiting to see if and when the
    iexplore.exe processes disappear?

    Have you yet tried [killing all remnant instances of iexplore.exe and]
    loading IE8 in its no add-ons mode and then exiting IE? If IE unloads
    okay (after a few seconds) then the problem is an add-on fails to unload
    and keeps the threads open for IE.
    VanguardLH, Jun 6, 2009
  9. windows defender is an antispyware application that monitors what is going on
    with the computer much like ad aware and spybot S&D do. the instances of it
    remaining usualy do that when defender is installed but disappear when it is
    uninstalled. it could be something do do with the upgrade in your case but in
    my case it is a fresh install after a format.
    Rage Skywolfe, Jun 6, 2009
  10. "most" of the time at least right now it is unloading ok. and when it doesn't
    it ususly doesn't close down at all. last night and early this morning as
    well when I closed windows down, I didn't realise it had been running in the
    background until I got the program prompt that comes up when you have an
    active process running that is not shutting down before you turn it off. and
    the only browser add ons I have installed are for Java,flash, and avg that I
    am aware of... haven't gone through my addon list lately but those are the
    only ones that I have actually added.
    Four Generations Of Trust And Betrayal...One Legacy


    Rage Skywolfe, Jun 6, 2009
  11. No, we don't need a screenshot at this point.

    Part A. The second instance of IEXPLORE.EXE

    It's not unusual for the second (i.e., Automatic Crash Recovery) instance of
    an IE8 window or tab to remain in memory for a little while (i.e., 15-60
    seconds, depending on all sorts of things) after you've closed the first
    instance. If the second instance remains in memory for several minutes or
    never goes away, there may be more going on here (see Part B below).

    Assuming this is NOT being caused by anything untoward:

    1. Does the behavior persist if you start IE in No Add-ons mode? To start
    IE in No Add-ons mode:

    => Right-click on the blue IE desktop icon and select Start without
    Add-ons; or

    => Start | (All) Programs | Accessories | System Tools | Internet
    Explorer (No add-ons).

    Troubleshooting and Internet Explorer’s (No Add-ons) Mode:

    2. Does the behavior persist if you Reset IE Advanced settings (RIES)? <= Read before using!

    3. Does the behavior persist if you boot into Safe Mode with Networking?
    [Careful! Only remain in Safe Mode just long enough to test!]

    4a. What anti-virus application or security suite is installed, is your
    subscription current, and is it supported in IE8? What anti-spyware
    applications (other than Defender)? What third-party firewall (if any)?
    Were any of these applications running in the background when you installed
    IE8 and/or WinXP SP3? May I assume you installed IE8 after you installed

    4b. Has a Norton or McAfee application ever been installed on this machine
    (e.g., a free-trial version that came preinstalled when you bought it)?

    5. Do you have an available Restore Point which predates the install of IE8?
    <=Just asking for now!!

    Part B. The Userenv errors:

    Userenv errors are associated with Group Policy (see KBs cited below). Have
    you applied any GPOs since the format & clean install of Windows? Have you
    reinstalled Defender and are you still getting Userenv errors? Is Automatic
    Updates enabled and is the machine currently fully-patched at Windows

    Why do I ask these question? Your recent newsgroup posting history in
    Windows Update is a tad worrisome to me:

    Userenv errors occur and events are logged after you apply Group Policy to
    computers that are running Windows Server 2003, Windows XP, or Windows 2000:

    How to interpret USERENV 1000 events:
    PA Bear [MS MVP], Jun 6, 2009
  12. Rage Skywolfe

    VanguardLH Guest

    Go into Internet Options -> Programs and look at the add-ons. Make sure
    you select to view ALL add-ons, not just those currently inuse. Start
    with disabling the non-Microsoft add-ons.

    I use Avast. Its web shield is enabled to interrogate web traffic. Yet
    it does not use an add-on to monitor the web traffic but instead a
    transparent proxy. Odd that AVG needs to embed itself into the web
    browser to monitor web traffic.
    VanguardLH, Jun 6, 2009
  13. so far everything is working alright with the iexplore processes, but if it
    comes up again I will try the rest of that stuff and let you know. and it is
    not just one instance that remains in the processes it is both. as far as
    added programs I am on AVG for antivirus and ad aware for spyware protection.
    if I add any other spyware protection like spybot for instance that will
    cause both IE and firefox to delay in loading web pages all together. I have
    not installed defender since the last reformat and yes everything is patched.
    IE 8 was installed after installing SP3 and the Userenv errors happened AFTER
    the workaround for the zero day flaw was applied. I have installed different
    av apps at different times on this machine but Norton and Mcafee have never
    been one of them. I had Kaspersky for a while but it like every other scanner
    other than AVG that I have tried locked up during the scanning process.
    Four Generations Of Trust And Betrayal...One Legacy


    Rage Skywolfe, Jun 6, 2009
  14. the only add on for avg that integrates into the browsers is the link scanner.
    Rage Skywolfe, Jun 6, 2009
  15. Rage Skywolfe

    VanguardLH Guest

    Oh, crap. You actually using that? It has long been reported by
    Linkscanner users (and later by AVG users when they acquired
    Linkscanner) as causing problems in slowing web navigation. They are
    too slow to perform the lookup so the user has to wait for status to get
    returned. Plus it only works in search results from Google, Yahoo, and
    Microsoft, not on every web page you visit (so you aren't getting the
    "protection" you think you are; i.e., it doesn't scan every web page you
    visit for malicious or suspect code).

    I tried Linkscanner by itself (before and even trialed it again after
    AVG acquired it but still got it from Linkscanner's site). Every trial
    showed it impacted my web browsing performance. Not by a huge amount
    but it was noticeable. If you read AVG's forums, an uninstall of
    Linkscanner is often recommended.

    Linkscanner doesn't do a very good job, anyway. It tries to combine a
    blacklist of known suspect web sites (like McAfee's SiteAdvisor or WOT)
    along with some simplistic checks of the code in a web page. I find the
    blacklists of little use. They are out of date. Those that rely on
    voting schemes are susceptible to the boobs that don't know how to
    investigate a site to accurately report it at SiteAdvisor or WOT.
    Extremely few of their users review prior reports by other users to vote
    on whether they agree with those reports. The vast majority of web
    sites have not been rated so you see a worthless yellow or neutral
    indicator for the web site. That a site is marked good doesn't mean is
    good now. That it got marked bad doesn't mean it is bad now, plus some
    users employ the reporting to harass a site or for vengeance. I found
    those voting schemes worthless and the ranking by the site operators to
    often be out of date or so vague as to always pass sites that still have
    suspicious content or link to other "bad" sites.

    The Finjan SecureBrowsing toolbar (which I would squash its width to
    just show the indicator in the toolbar) is better at interrogating web
    pages for malicious content. However, be careful of sites that it finds
    are using dynamically obfuscated code to hide their content. Not all
    site uses this technique are bad sites but just trying to keep their
    content from being stolen. I found so extremely few sites that I visit
    had malicious code that I chose to uninstall Finjan. Plus I have Avast
    which has its Web Shield that has caught the same sites and several
    more. It depends really on where you navigate as to the probably you
    will hit those malicious sites. I did not, however, perceive any impact
    to my search results as was incurred by Linkscanner. Because I quit
    using Finjan before upgrading to IE8, I have no experience with Finjan's
    compatibility with IE8.

    So what happens when you uninstall AVG, reboot, and retest for IE8 not
    unloading after exit?
    VanguardLH, Jun 6, 2009
  16. My recommendations include:

    1. Either (a) disable AVG LinkScanner or (b) uninstall AVG Free v8.5,
    reboot, and reinstall it selecting the CUSTOM INSTALLATION option and
    declining to install LinkScanner and any email scanner* options. (The CUSTOM
    reinstall is preferable). See

    LinkScanner isn't truly compatible with IE8's built-in SmartScreen Filter
    component; cf.

    2. Reinstall Windows Defender, if only for it's real-time protection; cf.

    * Why you don't need your anti-virus to scan your email
    ~PA Bear

    PA Bear [MS MVP], Jun 6, 2009
  17. I am not using avg free it is paid, free provides little to no protection
    against things like antivirus2009 popping up on the screen where as paid
    does.and it is also the only thing that will work with this computer without
    freezing up on scans.
    Four Generations Of Trust And Betrayal...One Legacy


    Rage Skywolfe, Jun 6, 2009
  18. Nevertheless, you do not need or want LinkScanner or any of the email
    scanners installed.

    [If I was going to purchase a security suite, it would have been ESET Smart
    Security. YMMV.]

    PA Bear [MS MVP], Jun 6, 2009
  19. so far I haven't had to uninstall anything I am sure there are better
    scanners out there. I have had avast in the past and liked it really well.
    but for right not it is the SCANNING issue with the other antivirus scanners
    as far as this computer is concerned. AVG is the only one that will go
    through a complete scan. where as I have tried avast, (which has always taken
    about an hour to scan) and it freezes into the my documents folder then locks
    up the system completely just after a few minutes or running the thing. it
    has been that way ever since I bought it and watched it being built.
    Rage Skywolfe, Jun 6, 2009
  20. [I've not had a need to run a full system AV or Defender scan in well over a
    year, myself. YMMV.]
    PA Bear [MS MVP], Jun 6, 2009
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