How to Get "Show Hidden Files and Folders" Back if it is Missing(Edit Registry Another Fix)

Start >> Run >> (type) regedit >> (rightclick on the little my computer icon,
and export the whole thing.)

find this key: HKEY_CURRENT_USER\Software\Microsoft\Windows\
CurrentVersion\Explorer\Advanced. Go to the rightside of the window,
where the values are. Find the value "Hidden" . Rightclick it and modify it to 1.