I have a DEFENDER issue (again). on my one site I have 389 files needing urgent attention. The issue for each is "Unknown file in WordPress core."
I have three options:
1) Resolve it. Each one reads, "We found this file floating around in your WordPress file list but it's not required by your current WP Version. As far as we can tell it's harmless (probably from an older WP install) so you can either delete it or ignore it, up to you! (please be sure to make a backup before you do start deleting files."
2) Ignore it.
3) Delete it.
Here are two screenshots with some issues:
What should I do?
Thanks in advance!