Are you looking for a best solution when Windows Defender won’t uninstall in Windows 8?
Do you want to remove Windows Defender because
it frequently shows up the annoying error message saying "An error (-5009
: 0x8002802b) has occurred while running the setup...."
Have you ever been annoyed that you have
uninstalled Windows Defender through Windows Control Panel, but it is still
there after you reboot your pc?

Take it easy! You could learn and follow Windows
Defender uninstall instructions in this article.
How to fully uninstall Windows Defender from your PC?
There are 2 effective program removal
guides for you to choose.
Tips
1: Uninstall Windows Defender normally in
Windows
Tips
2: Remove Windows Defender with program removal tool Perfect Uninstaller
Tips 1: How to entirely uninstall Windows Defender through Windows Uninstall applet
Most of you would like to get rid of
program through Windows Control Panel.