I'm trying to insatall windows defender, I recieve the following message:

Error 1920. Service Windows defender Service(WinDefend) failed to start. Verify that you have sufficient privileges to start system services.

I'm running W2K w/ sp4,all patch fix update, and gdiplus.dll install

I searched the microsft site and in general and can't seem to find a fix...anyone have this happen or know what the fix is?