I am currently using Windows Defender in both of my home PCs. My ISP (Cablevision aka Optimum Online) now offers the full McAfee AV suite for free.
Looking at some test data, McAfee is not the greatest, but it has a better protection rates than WD. It is also said to use more system resources...
I would like to run a scan with Windows defender finally when I try to start it I see:
However when I go into action center to try and stop it, I see that McAfee is going and I cannot turn it off:
When I click on defender there...
I have a subscription of McAfee Internet Security Suite and i was trying to install on the top of Windows 8. However i couldn't as it is not compatible with windows 8.
Read more at: Maximum PC | Sophos Disses Norton and McAfee, Praises Windows 8's Built-in Antivirus