New
#21
On your original right-click pic, see if you can click Share and go thru the options to stop sharing it. May give you the option to delete if you can stop sharing it. Also, you may need to take ownership of it, because you're getting that security tab message.
Change Owner of File, Folder, Drive, or Registry Key in Windows 10 Windows 10 Security System Tutorials
(I keep the Take Ownership on my right click context menu options)