Hi Nevet,

I'm not sure about this--but it looks promising--
http://support.microsoft.com/default...b/935511/en-us

Good luck
--


"Nevet" wrote:

> Thanks, Engel! This looked right, but doesn’t seem to apply to Vista.
> Running appwiz.cpl, Windows Defender doesn't even show up on the list of
> installed Program and Features, nor under Windows features to turn on or off.
> It is also not listed in the Windows Installer CleanUp utility
> (http://support.microsoft.com/kb/290301/). And when I try to reinstall from
> http://www.microsoft.com/athome/secu...yware/software, as the KB article
> instructs, I get the message “You do not need to install this software
> because Windows Defender is included in Windows Vista. You can access
> Windows Defender from the Security section of the Windows Control Panel.”
>
> Windows Security Center shows (under “Malware protection”) that Windows
> Defender is turned off. “Turn on now” churns for a while, then says,
> “Security Center can’t turn on Windows Defender. Please try again later.”
>
> Any other ideas?
>
>
> "Engel" wrote:
>
> > Hello Nevet,
> >
> > Error message when you run Windows Defender: "Error Code 0x800106ba
> >
> > Try this
> > http://support.microsoft.com/?kbid=931849
> >
> >
> > I hope this post is helpful.
> >
> > Let us know how it works ºut.
> >
> > --
> >
> >
> >
> > "Nevet" wrote:
> >
> > > Running Vista Home Premium. When starting the OS, I get an error message
> > > from Windows Defender:
> > >
> > > "Application failed to initialize: 0x800106ba. A problem caused Windows
> > > Defender service to stop. To start the service, restart your computer or
> > > search
> > > Help and Support on how to start the service manually."
> > >
> > > Attempting to manually start the service brought up another error:
> > >
> > > "Windows could not start the Windows Defender service on Local Computer.
> > > Error 0x80092003: An error occurred while reading or writing to a file."
> > >
> > > I have uninstalled my third-party (McAfee) security suite so Defender is all
> > > I have on this machine.
> > >
> > > I found similar reports on various newsgroups but no solution, workaround or
> > > fix offered.
> > >
> > > Any suggestions?
> > >
> > > --Nevet