aiprotection asus rt-ac87u

Recently I have persistently been getting messages from AiProtection on my Asus AC68U router as shown below: Event number : 1 Alert type : Infected Device Prevention and Blocking Source : (48:27:EA:93:B0:B7) Destination : 62.138.7.171 RT-AC68U's AiProtection detected suspicious networking...

I just noticed that there is a bug in the latest update 380.69 that i have in my RT-AC87u My son's computer is scheduled to have internet access from 0700 to 2200. It works good if you use regular internet but when he plays minecraft game online let say start 21:45 his computer will continue...