Yet another Windows 10 Update 1809 bug involving files getting deleted has been detected.... and the threads of Microsoft's "have users replace our QA team" plan continue to unfurl.

Sorry, Windows 10 Has Yet Another File-Deleting Bug That Microsoft Missed - Jason Evangelho -- https://www.forbes.com/sites/jasonevangelho/2018/10/23/sorry-windows-10-has-yet-another-file-deleting-bug-that-microsoft-missed/#5f2d701f6d8e