Windows Defender - "lack of demand".

When I try to open windows defender, it said "missing application. I downloaded again, but it won't allow me to install "Already installed under Vista" can anyone help?

MSE and Windows Defender

What AV program do you use?

Windows Defender should not be used with AVG, Kaspersky, McAfee, MSE, Norton or Trend Micro... If you are using Vista, then Defender should be disabled if you use one of these programs.

If this does not resolve your problem, please post back provide more details...

Kind regards...

Tags: Windows

Similar Questions

  • Windows Defender vice MS Security Essentials

    Hi all

    I would like to find some information on Windows Defender and MS Security Essentials it please.

    MS Security Essentials isn't just a spyware/malware scanner, or does it also include an AntiVirus program, it contains?

    Windows Defender is just a spyware/malware scanner, or does it also include an AntiVirus program, it contains?

    How the two programs compare to all spyware/malware scanning & Protection?

    I'm looking for a good spyware/malware scanner that offers on-demand so many Scaning & Protection in real time.
    I use Spyware Terminator but dropped it when they went to a newer version which had nagware in & used-to-peer for the updates.
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    I have 2 computers, one running Windows XP Pro SP2 (soon updated to SP3), with Avast AntiVirus & Comodo Firewall.
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    The 2nd computer I have is a laptop with Windows 7 (X 64-bit) Home edition that is also running Avast AntiVirus & Comodo Firewall,
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    Your help in this matter is greatly appreciated!

    Sincerely,

    Cindy ;>)

    PS: If MS Security Essentials contains an AntiVirus, how does that compare to Avast AV protection?

    Hello

    To add a bit to the excellent advice already given:

    Of course, you want excellent malware detection, however excellent system
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    Notice I recommend Avast or MSE and suggest adding Prevx - free that
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    Here's what I use and recommend: (these are all free and very effective versions.)

    Avast and Prevx proved extremely reliable and compatible with all I have
    launched on them. Microsoft Security Essentials and Prevx have also proven to be very
    reliable and compatible. Use MSE or Avast and Prevx, Prevx 3 but not all.

    Avast Home free - stop any shields is not necessary except leave the file system, Web,.
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    Prevx - Home - free

    Windows Firewall

    Windows Defender (is not necessary if you use MSE)

    Protected IE - mode

    IE 8 - SmartScreen filter WE (IE 7 phishing filter)

    I also IE always start with asset if filter InPrivate IE 8.
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    Two versions of Avast are available 6.x and 4.8 x

    Avast - home - free - 6.x stop shields you do not use (except files, Web, network, &)
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    http://www.avast.com/free-antivirus-download

    Avast 4.8 x - home - free - stop shields, you don't need except leaving Standard, Web,.
    and the network running. (Double-click the blue icon - look OK. - upper left - Shields details
    Finish those you don't use).
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    Or use Microsoft Security Essentials - free
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    Prevx works well alongside MSE or Avast

    Prevx - home - free small, fast, exceptional protection CLOUD, working with other security
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    or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp?prevx=Y<-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

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    (not much), to UPDATE and then run it as a scanner. I have a lot of scanners and they
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    I hope this helps.

    Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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    -J' already downloaded Microsoft Fix it: it scans and fixes a few problems, but there is always an impossible problem to fix 'recent installation updates problems'

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    ===========================================================

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    If you told us what you wanted at the start, you problem would have been solved in a few seconds.
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