Cannot show hidden files and folders

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

Open the registry editor: click Start, choose Run and execute "regedit". Navigate to the following key in your registry:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Explorer\Advanced\Folder\Hidden\SHOWALL

modify the value for the key by double clicking "CheckedValue" and entering 1 on the Data value and do the same with "DefaultValue" to 2.