Are you using Windows 10? I'm guessing you are, and I am also guessing you are talking about Windows Defender:
You can't delete Windows Defender, but you can disable it, to check if it's been properly disabled, search for "Windows Defender Security Center" and it should look like this:
If it doesn't look like that, then you haven't disabled Windows Defender.
1)A possible fix for your issue:
Visit this thread and follow the instructions carefully: https://freestylersworld.com/showthr...or-solution(s)
And make sure to exclude the folder which contains all of these files, (the folder should look like this!).
2)A possible fix for your issue (DO AT YOUR OWN RISK!):
https://www.windowscentral.com/how-p...der-windows-10
I would recommend 1)
