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  1. #1
    Star Lounger
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    Mar 2009
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    MSE old defintions delete

    If I no longer use MSE and have no intention of going back to it, can I delete old defintions updates dating back to 3 years ago up to the present? And if I can, how is it done?
    I dont know if they take up a large amount of space on my "C" drive.
    Thanks for any help I can get in answering this. Also would like to know if possible, is Bitdender Free a good AV program?

  2. #2
    Super Moderator CLiNT's Avatar
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    Dec 2009
    California & Arizona
    Thanked 608 Times in 556 Posts

    It differs depending on the OS. On my Windows 7 x64 machine, they are here:
    C:\ProgramData\Microsoft\Microsoft Antimalware\Definition Updates
    In XP, I believe that they will be found in the Documents and Settings branch under Application Data, but I dont have access to an XP machine at the moment.
    The branch is protected.
    On my machine that folder is about 260 megs in size.
    MVP Consumer Security, Moderator Microsoft Community

    Do not delete that folder. MSE manages it on its own. Note that I mentioned that this location is protected -- removing it or emptying it might damage MSEs ability to protect the PC and/or update.
    If you are that tight on space, you need to uninstall or remove something else or get a bigger drive. :-)
    Mie may be bigger due to the fact that I'm running the beta and had been using v2 on this machine. I suspect that your folder size is more typical.
    MVP Consumer Security, Moderator Microsoft Community

    Leave it alone and find something else to remove to make more space.
    MSE shares dependencies with Windows Update & or other aspects of the OS.
    Invest a little time and energy in a well thought out BACKUP regimen and you will have minimal down time, and headache.

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  3. #3
    3 Star Lounger
    Join Date
    Jul 2011
    Thanked 27 Times in 25 Posts
    Quote Originally Posted by schonman View Post
    Also would like to know if possible, is Bitdender Free a good AV program?
    I installed it on a friends computer after MSE showed disappointing test results.
    It seems to be very effective and is unobtrusive with little effect on system resources and a minimalist interface.
    Definitely worth a try.

  4. #4
    WS Lounge VIP Calimanco's Avatar
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    Dec 2009
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    Are you using XP? If so, are you referring to the left over uninstallers shown in Add/Remove Programs? These refer to all hotfixes, not just updates for MSE. They can be removed safely with CCleaner without affecting the hotfixes themselves. It may need two or three passes to get them all. If you have Vista or later, they are handled differently by the OS and the option doesn't appear.

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