Yesterday (7.12), i updated my windows defender as it was an important update and then i thought everything was alright. I left my laptop into hibernation and switch it on twice, it was okay, nothing happened.
But today, after i came back from work, i switch my com back from hibernation, the security center suddenly warned me that my antivirus is off, i did not do anything to off the antivirus, i merely left my com in hibernation mode.
Its my first time experiencing such situation, i'm worried, please advise. thank you.