Re-Install Windows Defender

Respeted Sir/Madam

I have accidently uninstall the windows defender.Now when i again try to
re-install it , it gives me an error that windows defender is already
inculded in windows VISTA.

How can i now re-install it.

I am runnin windows vista ultimate edition.

With profound regards

/Sonu/ said:
>
> I have accidentally uninstall the windows defender.Now when i again try to
> re-install it , it gives me an error that windows defender is already
> included in windows VISTA.

Go to Control Panel|SECURITY CENTER|Malware Protection, and turn Windows
Defender on.