Windows Defender will not complete scan on Windows Vista build 560

Discussion in 'Windows Vista Security' started by, Oct 27, 2006.

  1. Windows defender is reporting that I have not scanned my computer for 17
    days. It then says that "We recommend that you schedule Windows Defender to
    scan your computer each day" Which at the bottom of the Windows Defender home
    tab I can see it is sceduled to scan everyday at 2:00 AM. There is a Scan
    Now button on that screen. When this button is pressed Defender starts a
    scan and runs forever. Never finishes. I have left the machine up over the
    weekend and the same scan will be running until I reboot or tell the scan to
    stop and also exit defender from the task bar. How can I fix this. Thanks
, Oct 27, 2006
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  2. Forgot to add system info from Defender:

    Windows Defender Version: 1.1.1505.0
    Engine Version: 1.1.1609.0
    Definition Version: 1.14.1736.7
, Oct 27, 2006
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  3. Are you set to do full scans or quick scans?

    I'd recommend setting it to do quick scans, but that's kind of abdicating
    the question about what's really wrong.

    I can think of several possibilities--in the past, malware has set
    permissions on some objects such that beta versions got "stuck"
    scanning--particularly in the registry. I think observation of where it is
    hanging up is about all we have to go by. I suppose there could be disk
    problems that might slow the scan down--scandisk should tell about that--but
    it seems an outside chance. Defender scans inside archives, including .ISO
    files. If your system has a large number of such files with lots of files
    in them, this would lengthen the scan--but would it really be that long?
    You can set options not to scan inside archives.
    Bill Sanderson, Oct 28, 2006
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