Here I assume your pen drive letter as G:Note :- After doing this delete the shortcut folders from the pen drive.
Enter this command.
attrib -h -r -s /s /d g*.*
You can copy the above command --> Right-click in the Command Prompt and
paste it.
Note : Don't forget to replace the letter g with your pen drive letter.
Now press "Enter".
Now check for your files and folder in Pen Drive.