How to get back "Show Hidden Files and Folders" if it is Missing

Note: Please take the registry back up to modify anything in registry.

Open the registry editor: click Start, choose Run (winkey + R) and execute "regedit". Find the following key in your registry:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden]

Modify the string value "Type" and enter "group" as value data.

If the key ‘Type’, is missing then create a new String value. Name it ‘Type’ (without the quotes), set its value to ‘group’ (without the quotes).

After the edit is complete hit F5 to refresh, and go look in your Folder Options.