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  1. #1
    4 Star Lounger
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    Device not working properly.

    I not sure if this thread is posted in the right place. I received this error from TuneUp Utilities that a device is not working properly. The device is shown as
    "MpKs17b24044a". Device type Non-Plug and Play driver. I have no idea what this refers to. All I have done about 4 days ago is to connect a RCT Line-
    Interactive UPS-650VA. Has anyone an idea of what this is all about and come up with a solution?
    Have attached some error messages.
    Dave

    Untitled.png

    Error.png

    Error 1.png

    Error 2.png

  2. #2
    Super Moderator jwitalka's Avatar
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    Remove the UPS and see if the error goes away. If so, go to the vendor web site and see if it has a driver for it.

    Jerry

  3. #3
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    Hi Jerry, will give that a try.
    Thanks
    Dave

  4. #4
    Super Moderator satrow's Avatar
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    MpKs*.sys is a Microsoft Security Essentials filter/driver, sounds like you may need to uninstall/reinstall it, any other problems, glitches in Windows?

  5. #5
    Super Moderator jwitalka's Avatar
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    Thanks satrow. You are correct. Dave, see
    http://answers.microsoft.com/en-us/p...7-72143a6e62db

    for more information about the problem.

    Jerry

  6. #6
    Super Moderator satrow's Avatar
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    No worries Jerry, I wasted hours some 2-3 years ago trying to track that driver source down

    I was working on a notebook a couple of days ago that had problems with the MfPsl*.sys; I have a feeling that an old A/V driver remnant (Kaspersky) may have played a part, if you've previously had other A/Vs or firewalls installed, check that they've been fully uninstalled, uninstallers linked from here: http://www.carrona.org/avuninst.html

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