V V_2Ken Estimable May 18, 2015 1 0 4,510 May 18, 2015 #1 unable to enable windows defender in windows 8.1 64 bit. turn on now buttons greyed out
Emerald Distinguished Moderator Aug 28, 2005 563 1 19,210 May 18, 2015 #2 do you have any other AntiVirus software installed? have you tested the system with an online antivirus program to make sure the system is not infected? Upvote 0 Downvote
do you have any other AntiVirus software installed? have you tested the system with an online antivirus program to make sure the system is not infected?