Is your Folder Hidden option Disabled

This seem to be a common problem these days.But don't worry I've got a easy solution for this problem.RRT Alias Restriction Removal Tool is one way you can correct this problem.
Download RRT from here

After the installation tick the folder hidden option and remove the restriction and restart your machine ,and it's gone.....

Or download registry file
and double click it to add it to the registry.Then the registry key
will be cleared and you will solve the problem...