In the Folder List, right-click Shared Folders and select Properties.
The Shared Folders Properties dialog appears.
Select the Subscribe tab.
A list of subscribed folders appears in the Shared Folders list.
Select the folder from which you wish to unsubscribe and click Unsubscribe.
Click OK and your Shared Folders are updated to remove that folder.
You cannot change the permission rights of a shared folder—only the folder owner can change permissions. You can only view the permissions granted to you.