For example you have setting “shared folders” in Virtual Box and name your share folder with “d_folder”. When you open your share folder in Ubuntu, it must error like below :
“The folder contents could not be displayed.
You do not have the permissions necessary to view the contents of “d_folder”. “
To solve it, do steps below :
- Open terminal
- Write code sudo adduser xxxxx vboxsf then press Enter on your keyboard
- Logout then login again into ubuntu