Windows defender error after SP2 install

C

ched208

New Member
I just upgraded my Vista 64 to SP2 and now I get the following message on boot up:
Windows Defender
"Application failed to initialize: 0x800106ba. A problem caused this service to stop, etc., etc.,"
restart does not help and I found the service, it is closed but do not know how to start it. I don't see an option to start. I tried to download a fresh copy of defender from Microsoft but I get told I don't need to install. I can't remove defender... it does not appear on my list to add or update software.
What must I do?
 

My Computer

System One

  • CPU
    Intel core2 duo [email protected] ghz
    Motherboard
    Gigabyte EP45-UD3P
    Memory
    4
    Graphics Card(s)
    EVGA GeForce GTX260
    Monitor(s) Displays
    LG Flatron 22"
    PSU
    Antec Earthwatts 650w
    Case
    Antec
    Cooling
    5 120mm fans
    Keyboard
    std and Belkin Nostromo N52
    Mouse
    Logitech G5
    Internet Speed
    100mbps
Run cmd.exe with administrative previlliges (right click on this file as admin) and type
sfc /scannow

if no results in cmd.exe runned with administrative previlliges type:

SC STOP Winmgmt
RD /S C:\Windows\System32\Wbem\Repository
SC START Winmgmt

If it also fail try this tool How to Fix Windows Defender
 

My Computer

System One

Hi click Start and type services.msc in the Start Search box and press Enter.
Double Click Windows Defender and select type as Disabled and Status as Stopped.
Then restart your computer and again open services.msc and select windows defender type and Automatic(Delayed Start) and status as Started.
See if it fixes the problem.
 

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    Intel Dual Core 3 GHz
    Motherboard
    Intel 945 GCL desktop motherboard
    Memory
    3 GB DDR 2 667 Mhz
    Graphics Card(s)
    ATI X1550 256 MB
    Sound Card
    Onboard
    Monitor(s) Displays
    Samsung 19"
    Hard Drives
    80 GB IDE Samsung.
    Keyboard
    iBall
    Mouse
    iBall
    Internet Speed
    2mbps
Flavius, that software on the link you sent me only good for vista 32. Thanks anyway for responding.

Kavita, it worked... I could not do automatic delayed but could do automatic and on restart the message was no more.

Thanks to both of you.
 

My Computer

System One

  • CPU
    Intel core2 duo [email protected] ghz
    Motherboard
    Gigabyte EP45-UD3P
    Memory
    4
    Graphics Card(s)
    EVGA GeForce GTX260
    Monitor(s) Displays
    LG Flatron 22"
    PSU
    Antec Earthwatts 650w
    Case
    Antec
    Cooling
    5 120mm fans
    Keyboard
    std and Belkin Nostromo N52
    Mouse
    Logitech G5
    Internet Speed
    100mbps
I m glad to hear that its working. :)
 

My Computer

System One

  • Manufacturer/Model
    Custom Build
    CPU
    Intel Dual Core 3 GHz
    Motherboard
    Intel 945 GCL desktop motherboard
    Memory
    3 GB DDR 2 667 Mhz
    Graphics Card(s)
    ATI X1550 256 MB
    Sound Card
    Onboard
    Monitor(s) Displays
    Samsung 19"
    Hard Drives
    80 GB IDE Samsung.
    Keyboard
    iBall
    Mouse
    iBall
    Internet Speed
    2mbps
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