Help GS5, some files not visible when connected with USB


This is a new problem . . I have a recorder called "TapeMachine" used for recording business meetings in .WAV audio format. Been using it for years. I then download the .WAV files to a server for safe keeping.

Today, the .WAV files are not visible from my PC when I connect with USB so I cannot copy them. The folders are empty when accessed over USB. The .WAV files are visible when I browse to them using the Android App called "My File" The files can be played from the TapeMachine App.

Other files I don't care about like, FacebookNotificationSound are also present but not visible from the USB connection. This is a new problem after years on many phones of not having this problem.

Also I am a full time system admin so I know how to navigate file systems.
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