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  1. #1
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    MS Antispyware fix

    Here is a solution to the constant update of sypware definitions with the last refresh of MSAS (version 1.0.614). I found this in the MSAS newsgroup posted by Robin Walker - MVP

    After much debugging, I have found that the problem with definition update
    failures and repetition is because of an incorrect version of the file
    gcUnCompress.dll in C:WINDOWSSYSTEM32 (for XP) or C:WINNTSYSTEM32 (for
    2000 or systems upgraded from 2000).

    The incorrect version is of length 130,272 bytes.
    The correct version is of length 95,448 bytes.

    To update your system to install the correct version of the file, do the
    following:

    1. In the System Notification Area, right-click on the MSAS icon and select
    "Shutdown Microsoft AntiSpyware".
    2. In Explorer, navigate to C:WINDOWSSYSTEM32, locate the file
    "gcUnCompress.dll", right-click on it, and select "Delete".
    3. In Control Panel "Add or Remove Programs", select "Microsoft AntiSpyware"
    and click button "Change".
    4. Click "Next".
    5. Select "Update Microsoft AntiSpyware", click "Next".
    6. Click "Install".
    7. When the re-installation finishes, click "Finish".
    8. In Explorer, in folder C:WINDOWSSYSTEM32, check that
    "gcUnCompress.dll" is now 95,448 bytes long, by right-clicking it and
    selecting "Properties".
    9. Launch MSAS, pull down the File menu and select "Check for updates" -
    this time it really will update your definition files to the latest version.
    10. In Explorer, open the folder C:Program FilesMicrosoft AntiSpyware, and
    satisfy yourself that the modification dates of the three definition files
    have changed:
    gcDeterminationData.gcd
    gcThreatAuditThreatData.gcd
    gcThreatAuditScanData.gcd

    I've tried this and it appears to work.

    Joe
    Joe

  2. #2
    Plutonium Lounger
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    Re: MS Antispyware fix

    Thanks - works for me too!

  3. #3
    Platinum Lounger
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    Re: MS Antispyware fix

    Thanks Joe, glad this issue is finally resolved.

  4. #4
    3 Star Lounger
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    Re: MS Antispyware fix

    Yes, Joe - thanks from me too.

  5. #5
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    Re: MS Antispyware fix

    Thanks, Joe -- even after the previous "fix" I found, I was getting each successive update requiring the same update next time round. This appears to have solved it (as for all previous posters!).

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

    Ita, esto, quidcumque...

  6. #6
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    Re: MS Antispyware fix

    John, you were NOT alone. Mine were fixed using the steps above.

    Now running HP Pavilion a6528p, with Win7 64 Bit OS.

  7. #7
    Platinum Lounger
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    Re: MS Antispyware fix

    Huh?

    "This {i.e. Joe's suggested fix}
    appears to have solved it {i.e. the updating problem}
    (as {it did}
    for all previous posters!)."

    Did you read my post differently?!

    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
    Silver Lounger Duchess843's Avatar
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    Re: MS Antispyware fix

    Please add my name to the list of Thank You's Joe. You do good work.
    <img src=/S/coffeetime.gif border=0 alt=coffeetime width=32 height=48>

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