gann.. windows defender ane ga bisa di buka nih

tiap ane klik, tulisannya :security center cannot be started" !

trus windows defender nya slalu ada bacaan 'handled is failed'

"Windows Defender has been turned off and isn't monitoring your computer"

pokoknya yang berhubungan sama action center dan security center gak mau running..

biasanya setelah ane disable defender trus ke esokan harinya di turn on lagi bisa, tapi sekarang malah gak bisa di turn on lagi, padahal di windows 8 ane gak instal anti virus apa apa, cuma pake Windows defendervsentsnd

bingung