I've tried to do the following update 3 times and get error code 8004FF84. Can you help me or point me at someone who will. The description of it is:
Update for Microsoft Security Essentials - 4.9.218.0 (KB3140527)
Download size: 8.5 MB
You may need to restart your computer for this update to take effect.
Update type: Important
This package will update Microsoft Security Essentials client on the user's machine.