Windows Defender will not start or run

What4;660914 Wrote:
> Don't know whether this will help you or not, but I have a post open on
> similar lines see post "Win Defender non start?"
>
> For some reason, don't ask me why, but my defender is now starting 8
> times
> out of 10 (I'm logging it) after I re-checked some of the option boxes,
> see
> my post. On the non start occasions, I am manually starting with no
> issues. I
> still don't understand why though the security centre is not giving
> warnings.
> Be interested to know if this helps you though!
> --
> W4 me
>
>
> "Bquinn" wrote:
> > > >
> > > No answers yet nor have I found a solution. I am not going to
> > reinstall the
> > > Vista since everything else works and works well.
> > >
> > > Bquinn
> > >
> > > "mhenry" <mhenry@xxxxxx> wrote in message
> > > news:90784944-184F-4022-85B3-3E36137AD137@xxxxxx
> > >
> > > > >

Hi W4 me,

This may be able to help you.

'Unable to enable Windows Defender application in Windows Vista'
(http://support.microsoft.com/kb/555962)

Shawn


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"Bquinn" wrote:

> An interesting error occurred on my desktop with the Vista 64 bit during the
> first part of December '07.
>
> For the first time since Vista was loaded (about 1 October) I thought that I
> would start Windows Defender and scan the computer. This would be the first
> time in over two months. I got the following message:
> -----------------------------------------
> Windows Defender ---
> Application failed to initialize: 0x800106ba. A problem caused this
> program's service to stop. To start the service, restart your computer or
> search Help and Support for how to start a service manually.
> -----------------------------------------
> So I rebooted. Got the same message. So I went to the various places on
> the internet trying to find a solution to start Defender. None have worked
> so far. There were a lot of threads on XP, but I only found one on Vista.
>
> I even uninstalled MS Update <KB931099>, which was suppose to be a complete
> new Win Defender install and then reinstalled it again (with a reboot in
> between). No soap either with this change. Everything works OK on the
> desktop so I have gave up to find a solution at that time.
>
> I checked my laptop (Vista 32 bit) and defender works as it should. I could
> always go back to the repair of Vista on the desktop and I might do that
> sometime in the future. Any help or comments would be appreciated.
>
> Thanks!
>
> Bquinn
>
>
>