Hi JWINFL
My name is Andre Da Costa; an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP. I'm here to help you with your problem.
What I would do is navigate to the directory
Open Start, type: CMD
Right click CMD
Click Run as administrator
Navigate to the directory containing all the folders.
Example, type: CD Y:- MY MUSIC- ALL MY MUSIC\
Hit Enter
At the prompt type: attrib *.* -h -s /s /d
Hit Enter
Exit then restart
You can also take ownership of the folder.
takeown /F Y:- MY MUSIC- ALL MY MUSIC\* /R /A
and hit Enter.
Next, in the command prompt, type
cacls Y:- MY MUSIC- ALL MY MUSIC\*.* /T /grant administrators:F
Hit Enter.