Re: Explorer 100% utilization in Windows XP - Workaround

From: Russ (Russ.Cooper@RC.ON.CA)
Date: 04/18/03

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    Date:         Fri, 18 Apr 2003 10:47:12 -0400
From: Russ <Russ.Cooper@RC.ON.CA>
To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM

    Looks like we have a workaround which works in some scenarios, but we also have a few new scenarios.

    Thanks to allan.vanleeuwen@ORANGEMAIL for submitting the following;
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    There is a better workaround for this :

    Go to : Control Panel/Display/Appearance Tab/Effects Button

    And *disable* (uncheck) the transition effects....

    Credits to my collegue Lex Croes who found this workaround!
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    [Editors Note]I have tested this on my systems and it worked fine. I also got Mark Luczkowski to test it, which he did on one of his systems set to use single-clicks, and it worked fine for him too. I got a couple of other notes in on this issue as well;

    Craig w reports;
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    We have had this problem since the install of XPSP1. Our video editing suite had 90% of the XP pc's use 100% CPU - explorer.exe. The way XP handles movie files and music files seems to be the main issue.

    There is a workaround.

    1. Change Explorer to "use windows classic folders"

    2. Go to Start/Run/Regedit and navigate to the key below and delete the default data (right pane).

    For AVI's

    HKEY CLASSES ROOT\SystemFileAssociations\.avi\shellex\PropertyHandler

    For MP3's

    HKEY CLASSES ROOT\SystemFileAssociations\.mp3\shellex\PropertyHandler

    Note: Make a backup (export) the key before editing just for precautionary measures.

    That should fix it until MS release a Fix to the public. A fix is available but you have to call them.
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    And Silvio de Pecher reports;
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    I can get this effect if I open a directory with multimedia files and if there is one or more video that Exporer can't play because it hasn't the right codec. At this point CPU goes to 100% and the only thing to do is call the task manager and kill the Explorer.
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    Cheers,
    Russ - NTBugtraq Editor

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