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  1. #1
    Platinum Lounger
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    Windows Defender definition update fails

    Is anyone else having trouble with installing this week's Definition Update for Windows Defender?

    Every time it tries to install, it fails with "Windows failed to install the following update with error 0x80070643: Definition Update for Windows Defender - KB915597 (Definition 1.17.2437.5)." (in C:WindowsWindowsUpdate.log.). Googling doesn't produce much of relevance for 0x80070643, other than problems with updating Office 2003.

    Thanks

    John
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

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  2. #2
    Plutonium Lounger
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    Re: Windows Defender definition update fails

    No problem here...
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  3. #3
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    Re: Windows Defender definition update fails

    No problems here either...and I have Home Basic <img src=/S/laugh.gif border=0 alt=laugh width=15 height=15>
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  4. #4
    Silver Lounger
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    Re: Windows Defender definition update fails

    Hi

    No problem for me either.

    Regards

    Braddy
    If you are a fool at forty, you will always be a fool

  5. #5
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    Re: Windows Defender definition update fails

    I hope I've come top the right place, I was looking for the "Let's post our Windows Defender status message" thread. <img src=/S/grin.gif border=0 alt=grin width=15 height=15>
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  6. #6
    4 Star Lounger
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    Re: Windows Defender definition update fails

    <img src=/S/flee.gif border=0 alt=flee width=25 height=25> ......me too!!! <img src=/S/hiding.gif border=0 alt=hiding width=70 height=24>
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  7. #7
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    Re: Windows Defender definition update fails

    Ok, thanks to all the people who posted such useful (and repetitive!) information. My upstairs PC has installed it fine, too, but I'm not going to post that screen capture...

    I'm still left with the problem that all updates, bar the Windows Defender definition update, work successfully on the downstairs PC. I've uninstalled and reinstalled Windows Defender. Twice. And no Windows Defender definitions update now works. I've even tried to make some sense of the relevant KnowledgeBase article for error 0x80070643, which is above and beyond the call of duty. I suspect my only course of (in)action is a complete ignoral...

    John
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

    Ita, esto, quidcumque...

  8. #8
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    Re: Windows Defender definition update fails

    John,

    have you tried any of the articles from Troubleshoot Windows Update?

    Joe
    Joe

  9. #9
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    Re: Windows Defender definition update fails

    Thanks, Joe, but I have just spent about an hour finding the appropriate programs which the Windows Defender definitions updater uses (MPSIGSTUB.EXE and MPAS-FE.EXE, since you ask!), then tracking them down in the ZoneAlarm Internet Security Suite programs list (yes, it would be too simple for them to be there by EXE name, wouldn't it...), then setting various options for the programs, each time rerunning the update. And eventually I have got it to work.

    I'm getting more and more annoyed with ZAISS, because both the current version and the previous version also crash Outlook Express when you send messages, so those email checking options have to be turned off... This all rates a large Grrrrrrrrh. <img src=/S/bummer.gif border=0 alt=bummer width=15 height=15>

    John
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

    Ita, esto, quidcumque...

  10. #10
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    Re: Windows Defender definition update fails

    Well, at least you've got it working. <img src=/S/grin.gif border=0 alt=grin width=15 height=15> It sure seems that the more the various software vendors try to add to these security suites the worse things become. <img src=/S/yep.gif border=0 alt=yep width=15 height=15>

    Joe
    Joe

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