What have you done so far?

Did you set the WD service to "Automatic"?
Start>Programs>Administrative Tools>Services.
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> "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@discussions.microsoft.com> wrote in message
>> news:90784944-184F-4022-85B3-3E36137AD137@microsoft.com...
>> >I have the same issues with my system. Did you ever get an answer to
>> >the
>> > error issue?
>> >
>> > "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
>> >>
>> >>
>> >>
>>
>>