How to view a list of failed matches?

I am running the Windows Store App version of KODI on a Windows 10/64 bit OS. The videos I am using KODI to organize are locally stored MP4 files, and for the most part things appear to be running great – except for two things:

1) Some video files are clearly missing from KODI’s list, but I can see them in the windows explorer view. From all appearances there is nothing exciting/different about the missing movies than the ones that KODI lists, but it would be helpful if there was some sort of error log I could view within KODI that called out WHY the missing movies were skipped for import.

2) How to turn off “Hide Watched” functionality? I would prefer it if watched movies did not hide themselves. How can I turn this feature off?