Can’t uninstall McAfee VirusScan because you are failed to remove it from Features and Programs in Control Panel?
Are you looking for a best solution when McAfee
VirusScan won’t uninstall in Windows 8?
Do you want to remove McAfee VirusScan
because it frequently shows up the annoying error message saying "Product
Update: Error...."

Have you ever been annoyed that you have
uninstalled McAfee VirusScan through Windows Control Panel, but it is still
there after you reboot your pc?
In order to fix the problem, you could learn and follow McAfee
VirusScan uninstall instructions in this article.