If you have any of those symptoms, there's an easy fix: Download the latest version of Bnspatch. (Do a file scan first) You can find it on https://github.com/bnsmodpolice/bnspatch. Common questions: How does it work? Answer: read the instructions What do I need to do to make it work? Answer...
I won't give you a warning because it's undeserving.
But what you can do is explained in there.