If you get a greyed out “Hidden” attribute on one of your folders on your computer or fileserver you can use the command “attrib” to unhide the folder/files again.
Start Command Promt. (Start – run – cmd)/(right click on lover left corner and click on Command promt in windows 8)
attrib -H -S "Your folder"\*.* /S /D
(where “your folder” is changed with for eks. C:\users\administrator)
If you wounder what the attributes in attrib does type: attrib /?