It might be macOS itself doing this;[br]
I suggest following these guides (first do First Aid, THEN reinstall macOS):[br]
''Note: reinstalling macOS will ***++NOT++*** delete your data on the SSD.'' [br]
[br]
[guide|52680|First Aid Guide - iFixit|new_window=true][br]
[br]
[guide|119499|Reinstalling macOS - iFixit|new_window=true]