[marshalll]

Open regedit and goto:


Code:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\explorer\Advanced\Folder\HiddenUnder this key, you’ll see 2 more keys “NOHIDDEN” and “SHOWALL“. Make sure that the values of “CheckedValue” and “DefaultValue” in right-side pane are “2” and “2” for “NOHIDDEN” and “1” and “2” for “SHOWALL” respectively. If its not so, then change them and you’ll be able to enable/disable these options in “Folder Options”.

You can also alter Hide/unhide settings using registry as following:



Code:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Explorer\AdvancedIn right-side pane, change value of "Hidden" to:

1 - To show hidden files
2 - To not show hidden files