Windows Vista Forums

Windows Defender 0x800106ba

  1. #1


    Sven Pran Guest

    Windows Defender 0x800106ba

    My daughter suddenly experiences: Windows Defender: "Error Code 0x800106ba
    Application failed to initialize"

    This is a fairly new machine (running Vista Home Premium) and it was
    delivered with McAfee virus protection installed. The initial McAfee license
    is about to expire so she renewed that license for a permanent licence
    today. There may of course be a connection here, but I fail to see what that
    connection could be.

    She was guided to http://support.microsoft.com/kb/931849 which suggests to
    initially remove (uninstall) Windows Defender and then reinstall it. The
    only problem with this is that Windows Defender is not included in the list
    of installed programs that can be uninstalled, and when she tries to
    "reinstall" it Windows Defender is reported as already present on the
    system.

    I checked on my own system where Windows Defender is running without any
    problem, and the same applies here: Windows Defender is not listed among
    installed programs.

    I shall be most grateful for comments and/or suggestions that can aid our
    troubleshooting.

    regards Sven


      My System SpecsSystem Spec

  2.   


  3. #2


    Rojo Habe Guest

    Re: Windows Defender 0x800106ba

    Windows Defender doesn't appear in the list if you have Vista because it is
    part of the operating system. That KB article fails to mention which OS it
    pertains to but you can't reinstall Defender that way in Vista. Try using
    System Restore to return the system to a point before it started happening.
    The following article describes how to do this:

    http://support.microsoft.com/kb/935511/en-us

    I note the only other option it gives is to reinstall Windows. You can do
    this by running the Setup disc from within Windows and "upgrading" it over
    itself.


    "Sven Pran" <no.direct@xxxxxx> wrote in message
    news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx

    > My daughter suddenly experiences: Windows Defender: "Error Code 0x800106ba
    > Application failed to initialize"
    >
    > This is a fairly new machine (running Vista Home Premium) and it was
    > delivered with McAfee virus protection installed. The initial McAfee
    > license is about to expire so she renewed that license for a permanent
    > licence today. There may of course be a connection here, but I fail to see
    > what that connection could be.
    >
    > She was guided to http://support.microsoft.com/kb/931849 which suggests to
    > initially remove (uninstall) Windows Defender and then reinstall it. The
    > only problem with this is that Windows Defender is not included in the
    > list of installed programs that can be uninstalled, and when she tries to
    > "reinstall" it Windows Defender is reported as already present on the
    > system.
    >
    > I checked on my own system where Windows Defender is running without any
    > problem, and the same applies here: Windows Defender is not listed among
    > installed programs.
    >
    > I shall be most grateful for comments and/or suggestions that can aid our
    > troubleshooting.
    >
    > regards Sven

      My System SpecsSystem Spec

  4. #3


    Peter Foldes Guest

    Re: Windows Defender 0x800106ba

    Sven

    Here is your problem and resolution included

    http://support.microsoft.com/kb/931849

    --
    Peter

    Please Reply to Newsgroup for the benefit of others
    Requests for assistance by email can not and will not be acknowledged.

    "Sven Pran" <no.direct@xxxxxx> wrote in message
    news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx

    > My daughter suddenly experiences: Windows Defender: "Error Code 0x800106ba
    > Application failed to initialize"
    >
    > This is a fairly new machine (running Vista Home Premium) and it was delivered
    > with McAfee virus protection installed. The initial McAfee license is about to
    > expire so she renewed that license for a permanent licence today. There may of
    > course be a connection here, but I fail to see what that connection could be.
    >
    > She was guided to http://support.microsoft.com/kb/931849 which suggests to
    > initially remove (uninstall) Windows Defender and then reinstall it. The only
    > problem with this is that Windows Defender is not included in the list of
    > installed programs that can be uninstalled, and when she tries to "reinstall" it
    > Windows Defender is reported as already present on the system.
    >
    > I checked on my own system where Windows Defender is running without any problem,
    > and the same applies here: Windows Defender is not listed among installed
    > programs.
    >
    > I shall be most grateful for comments and/or suggestions that can aid our
    > troubleshooting.
    >
    > regards Sven

      My System SpecsSystem Spec

  5. #4


    Sven Pran Guest

    Re: Windows Defender 0x800106ba

    Thanks for the comment. However I am still worried because KB935511 refers
    to installations where Windows XP has been upgraded to Vista. This computer
    has to my knowledge never had Windows XP, it was delivered (from DELL) some
    six weeks ago with Vista pre-installed.

    regards Sven

    "Rojo Habe" <noem@xxxxxx> wrote in message
    news:93A0B604-D603-46FF-BC2E-1C0A68953280@xxxxxx

    > Windows Defender doesn't appear in the list if you have Vista because it
    > is part of the operating system. That KB article fails to mention which
    > OS it pertains to but you can't reinstall Defender that way in Vista. Try
    > using System Restore to return the system to a point before it started
    > happening. The following article describes how to do this:
    >
    > http://support.microsoft.com/kb/935511/en-us
    >
    > I note the only other option it gives is to reinstall Windows. You can do
    > this by running the Setup disc from within Windows and "upgrading" it over
    > itself.
    >
    >
    > "Sven Pran" <no.direct@xxxxxx> wrote in message
    > news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx

    >> My daughter suddenly experiences: Windows Defender: "Error Code
    >> 0x800106ba Application failed to initialize"
    >>
    >> This is a fairly new machine (running Vista Home Premium) and it was
    >> delivered with McAfee virus protection installed. The initial McAfee
    >> license is about to expire so she renewed that license for a permanent
    >> licence today. There may of course be a connection here, but I fail to
    >> see what that connection could be.
    >>
    >> She was guided to http://support.microsoft.com/kb/931849 which suggests
    >> to initially remove (uninstall) Windows Defender and then reinstall it.
    >> The only problem with this is that Windows Defender is not included in
    >> the list of installed programs that can be uninstalled, and when she
    >> tries to "reinstall" it Windows Defender is reported as already present
    >> on the system.
    >>
    >> I checked on my own system where Windows Defender is running without any
    >> problem, and the same applies here: Windows Defender is not listed among
    >> installed programs.
    >>
    >> I shall be most grateful for comments and/or suggestions that can aid our
    >> troubleshooting.
    >>
    >> regards Sven
    >

      My System SpecsSystem Spec

  6. #5


    Sven Pran Guest

    Re: Windows Defender 0x800106ba

    Thanks for your comment, but did you read my OP? KB 931849 is the very
    article we tried without success to apply!

    Sven

    "Peter Foldes" <okf122@xxxxxx> wrote in message
    news:uEGegUQnJHA.4652@xxxxxx

    > Sven
    >
    > Here is your problem and resolution included
    >
    > http://support.microsoft.com/kb/931849
    >
    > --
    > Peter
    >
    > Please Reply to Newsgroup for the benefit of others
    > Requests for assistance by email can not and will not be acknowledged.
    >
    > "Sven Pran" <no.direct@xxxxxx> wrote in message
    > news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx

    >> My daughter suddenly experiences: Windows Defender: "Error Code
    >> 0x800106ba Application failed to initialize"
    >>
    >> This is a fairly new machine (running Vista Home Premium) and it was
    >> delivered with McAfee virus protection installed. The initial McAfee
    >> license is about to expire so she renewed that license for a permanent
    >> licence today. There may of course be a connection here, but I fail to
    >> see what that connection could be.
    >>
    >> She was guided to http://support.microsoft.com/kb/931849 which suggests
    >> to initially remove (uninstall) Windows Defender and then reinstall it.
    >> The only problem with this is that Windows Defender is not included in
    >> the list of installed programs that can be uninstalled, and when she
    >> tries to "reinstall" it Windows Defender is reported as already present
    >> on the system.
    >>
    >> I checked on my own system where Windows Defender is running without any
    >> problem, and the same applies here: Windows Defender is not listed among
    >> installed programs.
    >>
    >> I shall be most grateful for comments and/or suggestions that can aid our
    >> troubleshooting.
    >>
    >> regards Sven
    >

      My System SpecsSystem Spec

  7. #6


    MowGreen [MVP] Guest

    Re: Windows Defender 0x800106ba

    IF the McAfee 'thing' has it's own spyware component then Defender is
    Disabled. Thus, the error message.

    QED: What is the McAfee product installed ?
    Check it's User Guide to see if there is a spyware component included.

    MowGreen [MVP 2003-2009]
    ===============
    *-343-* FDNY
    Never Forgotten
    ===============


    Sven Pran wrote:

    > Thanks for your comment, but did you read my OP? KB 931849 is the very
    > article we tried without success to apply!
    >
    > Sven
    >
    > "Peter Foldes" <okf122@xxxxxx> wrote in message
    > news:uEGegUQnJHA.4652@xxxxxx
    >

    >> Sven
    >>
    >> Here is your problem and resolution included
    >>
    >> http://support.microsoft.com/kb/931849
    >>
    >> --
    >> Peter
    >>
    >> Please Reply to Newsgroup for the benefit of others
    >> Requests for assistance by email can not and will not be acknowledged.
    >>
    >> "Sven Pran" <no.direct@xxxxxx> wrote in message
    >> news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx
    >>

    >>> My daughter suddenly experiences: Windows Defender: "Error Code
    >>> 0x800106ba Application failed to initialize"
    >>>
    >>> This is a fairly new machine (running Vista Home Premium) and it was
    >>> delivered with McAfee virus protection installed. The initial McAfee
    >>> license is about to expire so she renewed that license for a
    >>> permanent licence today. There may of course be a connection here,
    >>> but I fail to see what that connection could be.
    >>>
    >>> She was guided to http://support.microsoft.com/kb/931849 which
    >>> suggests to initially remove (uninstall) Windows Defender and then
    >>> reinstall it. The only problem with this is that Windows Defender is
    >>> not included in the list of installed programs that can be
    >>> uninstalled, and when she tries to "reinstall" it Windows Defender is
    >>> reported as already present on the system.
    >>>
    >>> I checked on my own system where Windows Defender is running without
    >>> any problem, and the same applies here: Windows Defender is not
    >>> listed among installed programs.
    >>>
    >>> I shall be most grateful for comments and/or suggestions that can aid
    >>> our troubleshooting.
    >>>
    >>> regards Sven
    >>
    >>
    >

      My System SpecsSystem Spec

  8. #7


    Sven Pran Guest

    Re: Windows Defender 0x800106ba

    Thanks for this information, I shall check exactly what features are
    included in McAfee on my daughter's computer.
    (I know that it has antivirus protection and a firewall.)

    Now the interesting question: Is this "error" message something my daughter
    has to live with or can it be disabled in any way (if McAfee includes the
    appropriate protection)?

    regards Sven

    "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    news:uhWhcpRnJHA.5412@xxxxxx

    > IF the McAfee 'thing' has it's own spyware component then Defender is
    > Disabled. Thus, the error message.
    >
    > QED: What is the McAfee product installed ?
    > Check it's User Guide to see if there is a spyware component included.
    >
    > MowGreen [MVP 2003-2009]
    > ===============
    > *-343-* FDNY
    > Never Forgotten
    > ===============
    >
    >
    > Sven Pran wrote:
    >

    >> Thanks for your comment, but did you read my OP? KB 931849 is the very
    >> article we tried without success to apply!
    >>
    >> Sven
    >>
    >> "Peter Foldes" <okf122@xxxxxx> wrote in message
    >> news:uEGegUQnJHA.4652@xxxxxx
    >>

    >>> Sven
    >>>
    >>> Here is your problem and resolution included
    >>>
    >>> http://support.microsoft.com/kb/931849
    >>>
    >>> --
    >>> Peter
    >>>
    >>> Please Reply to Newsgroup for the benefit of others
    >>> Requests for assistance by email can not and will not be acknowledged.
    >>>
    >>> "Sven Pran" <no.direct@xxxxxx> wrote in message
    >>> news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx
    >>>
    >>>> My daughter suddenly experiences: Windows Defender: "Error Code
    >>>> 0x800106ba Application failed to initialize"
    >>>>
    >>>> This is a fairly new machine (running Vista Home Premium) and it was
    >>>> delivered with McAfee virus protection installed. The initial McAfee
    >>>> license is about to expire so she renewed that license for a permanent
    >>>> licence today. There may of course be a connection here, but I fail to
    >>>> see what that connection could be.
    >>>>
    >>>> She was guided to http://support.microsoft.com/kb/931849 which suggests
    >>>> to initially remove (uninstall) Windows Defender and then reinstall it.
    >>>> The only problem with this is that Windows Defender is not included in
    >>>> the list of installed programs that can be uninstalled, and when she
    >>>> tries to "reinstall" it Windows Defender is reported as already present
    >>>> on the system.
    >>>>
    >>>> I checked on my own system where Windows Defender is running without
    >>>> any problem, and the same applies here: Windows Defender is not listed
    >>>> among installed programs.
    >>>>
    >>>> I shall be most grateful for comments and/or suggestions that can aid
    >>>> our troubleshooting.
    >>>>
    >>>> regards Sven
    >>>
    >>>
    >>

      My System SpecsSystem Spec

  9. #8


    MowGreen [MVP] Guest

    Re: Windows Defender 0x800106ba

    You're mowst welcome, Sven. If whatever Version of "the" McAfee contains
    an antispyware component, [the Versions installed by OEMs usually are
    suites that do include this ] then Windows Defender should have been
    disabled when McAfee was installed.
    IF that is the situation, then you can turn WD off manually:
    http://www.vista4beginners.com/How-t...ndows-Defender



    MowGreen [MVP 2003-2009]
    ===============
    *-343-* FDNY
    Never Forgotten
    ===============



    Sven Pran wrote:

    > Thanks for this information, I shall check exactly what features are
    > included in McAfee on my daughter's computer.
    > (I know that it has antivirus protection and a firewall.)
    >
    > Now the interesting question: Is this "error" message something my
    > daughter has to live with or can it be disabled in any way (if McAfee
    > includes the appropriate protection)?
    >
    > regards Sven
    >
    > "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    > news:uhWhcpRnJHA.5412@xxxxxx
    >

    >> IF the McAfee 'thing' has it's own spyware component then Defender is
    >> Disabled. Thus, the error message.
    >>
    >> QED: What is the McAfee product installed ?
    >> Check it's User Guide to see if there is a spyware component included.
    >>
    >> MowGreen [MVP 2003-2009]
    >> ===============
    >> *-343-* FDNY
    >> Never Forgotten
    >> ===============
    >>
    >>
    >> Sven Pran wrote:
    >>

    >>> Thanks for your comment, but did you read my OP? KB 931849 is the
    >>> very article we tried without success to apply!
    >>>
    >>> Sven
    >>>
    >>> "Peter Foldes" <okf122@xxxxxx> wrote in message
    >>> news:uEGegUQnJHA.4652@xxxxxx
    >>>
    >>>> Sven
    >>>>
    >>>> Here is your problem and resolution included
    >>>>
    >>>> http://support.microsoft.com/kb/931849
    >>>>
    >>>> --
    >>>> Peter
    >>>>
    >>>> Please Reply to Newsgroup for the benefit of others
    >>>> Requests for assistance by email can not and will not be acknowledged.
    >>>>
    >>>> "Sven Pran" <no.direct@xxxxxx> wrote in message
    >>>> news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx
    >>>>
    >>>>> My daughter suddenly experiences: Windows Defender: "Error Code
    >>>>> 0x800106ba Application failed to initialize"
    >>>>>
    >>>>> This is a fairly new machine (running Vista Home Premium) and it
    >>>>> was delivered with McAfee virus protection installed. The initial
    >>>>> McAfee license is about to expire so she renewed that license for a
    >>>>> permanent licence today. There may of course be a connection here,
    >>>>> but I fail to see what that connection could be.
    >>>>>
    >>>>> She was guided to http://support.microsoft.com/kb/931849 which
    >>>>> suggests to initially remove (uninstall) Windows Defender and then
    >>>>> reinstall it. The only problem with this is that Windows Defender
    >>>>> is not included in the list of installed programs that can be
    >>>>> uninstalled, and when she tries to "reinstall" it Windows Defender
    >>>>> is reported as already present on the system.
    >>>>>
    >>>>> I checked on my own system where Windows Defender is running
    >>>>> without any problem, and the same applies here: Windows Defender is
    >>>>> not listed among installed programs.
    >>>>>
    >>>>> I shall be most grateful for comments and/or suggestions that can
    >>>>> aid our troubleshooting.
    >>>>>
    >>>>> regards Sven
    >>>>
    >>>>
    >>>>
    >>>
    >

      My System SpecsSystem Spec

  10. #9


    Christine Williams Guest

    Re: Windows Defender 0x800106ba

    I'm having the same problem on
    1. a brand new laptop bought last night.
    2. a pc that I just reinstalled Windows Vista on.
    Both have McAfee installed and fresh Vista install. I will follow the
    notes in the article to manually turn off WD.

    But my question is, if I do this, how do I get to the Startup to turn things
    on or off that I don't want to start on reboot? Is there another means to
    get to this? If there is, then I have no problem turning WD off, but if
    there isn't then I need to resolve the error.

    Thank you
    Christine


    "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    news:OFkeFPfnJHA.1492@xxxxxx

    > You're mowst welcome, Sven. If whatever Version of "the" McAfee contains
    > an antispyware component, [the Versions installed by OEMs usually are
    > suites that do include this ] then Windows Defender should have been
    > disabled when McAfee was installed.
    > IF that is the situation, then you can turn WD off manually:
    > http://www.vista4beginners.com/How-t...ndows-Defender
    >
    >
    >
    > MowGreen [MVP 2003-2009]
    > ===============
    > *-343-* FDNY
    > Never Forgotten
    > ===============
    >
    >
    >
    > Sven Pran wrote:
    >

    >> Thanks for this information, I shall check exactly what features are
    >> included in McAfee on my daughter's computer.
    >> (I know that it has antivirus protection and a firewall.)
    >>
    >> Now the interesting question: Is this "error" message something my
    >> daughter has to live with or can it be disabled in any way (if McAfee
    >> includes the appropriate protection)?
    >>
    >> regards Sven
    >>
    >> "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    >> news:uhWhcpRnJHA.5412@xxxxxx
    >>

    >>> IF the McAfee 'thing' has it's own spyware component then Defender is
    >>> Disabled. Thus, the error message.
    >>>
    >>> QED: What is the McAfee product installed ?
    >>> Check it's User Guide to see if there is a spyware component included.
    >>>
    >>> MowGreen [MVP 2003-2009]
    >>> ===============
    >>> *-343-* FDNY
    >>> Never Forgotten
    >>> ===============
    >>>
    >>>
    >>> Sven Pran wrote:
    >>>
    >>>> Thanks for your comment, but did you read my OP? KB 931849 is the very
    >>>> article we tried without success to apply!
    >>>>
    >>>> Sven
    >>>>
    >>>> "Peter Foldes" <okf122@xxxxxx> wrote in message
    >>>> news:uEGegUQnJHA.4652@xxxxxx
    >>>>
    >>>>> Sven
    >>>>>
    >>>>> Here is your problem and resolution included
    >>>>>
    >>>>> http://support.microsoft.com/kb/931849
    >>>>>
    >>>>> --
    >>>>> Peter
    >>>>>
    >>>>> Please Reply to Newsgroup for the benefit of others
    >>>>> Requests for assistance by email can not and will not be acknowledged.
    >>>>>
    >>>>> "Sven Pran" <no.direct@xxxxxx> wrote in message
    >>>>> news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx
    >>>>>
    >>>>>> My daughter suddenly experiences: Windows Defender: "Error Code
    >>>>>> 0x800106ba Application failed to initialize"
    >>>>>>
    >>>>>> This is a fairly new machine (running Vista Home Premium) and it was
    >>>>>> delivered with McAfee virus protection installed. The initial McAfee
    >>>>>> license is about to expire so she renewed that license for a
    >>>>>> permanent licence today. There may of course be a connection here,
    >>>>>> but I fail to see what that connection could be.
    >>>>>>
    >>>>>> She was guided to http://support.microsoft.com/kb/931849 which
    >>>>>> suggests to initially remove (uninstall) Windows Defender and then
    >>>>>> reinstall it. The only problem with this is that Windows Defender is
    >>>>>> not included in the list of installed programs that can be
    >>>>>> uninstalled, and when she tries to "reinstall" it Windows Defender is
    >>>>>> reported as already present on the system.
    >>>>>>
    >>>>>> I checked on my own system where Windows Defender is running without
    >>>>>> any problem, and the same applies here: Windows Defender is not
    >>>>>> listed among installed programs.
    >>>>>>
    >>>>>> I shall be most grateful for comments and/or suggestions that can aid
    >>>>>> our troubleshooting.
    >>>>>>
    >>>>>> regards Sven
    >>>>>
    >>>>>
    >>>>>
    >>>>
    >>

      My System SpecsSystem Spec

  11. #10


    Christine Williams Guest

    Re: Windows Defender 0x800106ba

    Ok, this article on how to turn off Windows Defender is not going to help
    someone getting this error because you have to go into Windows Defender
    according to the article to turn it off. If you are receiving this error,
    then you cannot open Windows Defender.

    Need another plan....

    Thank you
    Christine


    "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    news:OFkeFPfnJHA.1492@xxxxxx

    > You're mowst welcome, Sven. If whatever Version of "the" McAfee contains
    > an antispyware component, [the Versions installed by OEMs usually are
    > suites that do include this ] then Windows Defender should have been
    > disabled when McAfee was installed.
    > IF that is the situation, then you can turn WD off manually:
    > http://www.vista4beginners.com/How-t...ndows-Defender
    >
    >
    >
    > MowGreen [MVP 2003-2009]
    > ===============
    > *-343-* FDNY
    > Never Forgotten
    > ===============
    >
    >
    >
    > Sven Pran wrote:
    >

    >> Thanks for this information, I shall check exactly what features are
    >> included in McAfee on my daughter's computer.
    >> (I know that it has antivirus protection and a firewall.)
    >>
    >> Now the interesting question: Is this "error" message something my
    >> daughter has to live with or can it be disabled in any way (if McAfee
    >> includes the appropriate protection)?
    >>
    >> regards Sven
    >>
    >> "MowGreen [MVP]" <mowgreen@xxxxxx> wrote in message
    >> news:uhWhcpRnJHA.5412@xxxxxx
    >>

    >>> IF the McAfee 'thing' has it's own spyware component then Defender is
    >>> Disabled. Thus, the error message.
    >>>
    >>> QED: What is the McAfee product installed ?
    >>> Check it's User Guide to see if there is a spyware component included.
    >>>
    >>> MowGreen [MVP 2003-2009]
    >>> ===============
    >>> *-343-* FDNY
    >>> Never Forgotten
    >>> ===============
    >>>
    >>>
    >>> Sven Pran wrote:
    >>>
    >>>> Thanks for your comment, but did you read my OP? KB 931849 is the very
    >>>> article we tried without success to apply!
    >>>>
    >>>> Sven
    >>>>
    >>>> "Peter Foldes" <okf122@xxxxxx> wrote in message
    >>>> news:uEGegUQnJHA.4652@xxxxxx
    >>>>
    >>>>> Sven
    >>>>>
    >>>>> Here is your problem and resolution included
    >>>>>
    >>>>> http://support.microsoft.com/kb/931849
    >>>>>
    >>>>> --
    >>>>> Peter
    >>>>>
    >>>>> Please Reply to Newsgroup for the benefit of others
    >>>>> Requests for assistance by email can not and will not be acknowledged.
    >>>>>
    >>>>> "Sven Pran" <no.direct@xxxxxx> wrote in message
    >>>>> news:9BB79C5E-661A-47A0-AA93-666D32B4962C@xxxxxx
    >>>>>
    >>>>>> My daughter suddenly experiences: Windows Defender: "Error Code
    >>>>>> 0x800106ba Application failed to initialize"
    >>>>>>
    >>>>>> This is a fairly new machine (running Vista Home Premium) and it was
    >>>>>> delivered with McAfee virus protection installed. The initial McAfee
    >>>>>> license is about to expire so she renewed that license for a
    >>>>>> permanent licence today. There may of course be a connection here,
    >>>>>> but I fail to see what that connection could be.
    >>>>>>
    >>>>>> She was guided to http://support.microsoft.com/kb/931849 which
    >>>>>> suggests to initially remove (uninstall) Windows Defender and then
    >>>>>> reinstall it. The only problem with this is that Windows Defender is
    >>>>>> not included in the list of installed programs that can be
    >>>>>> uninstalled, and when she tries to "reinstall" it Windows Defender is
    >>>>>> reported as already present on the system.
    >>>>>>
    >>>>>> I checked on my own system where Windows Defender is running without
    >>>>>> any problem, and the same applies here: Windows Defender is not
    >>>>>> listed among installed programs.
    >>>>>>
    >>>>>> I shall be most grateful for comments and/or suggestions that can aid
    >>>>>> our troubleshooting.
    >>>>>>
    >>>>>> regards Sven
    >>>>>
    >>>>>
    >>>>>
    >>>>
    >>

      My System SpecsSystem Spec

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