You need to go to Start > Run > regedit
and browse to the
HKCU\Software\Microsoft\Windows\CurrentVersion\Exp lorer\Clsid
key. On the left pane you will see a CLSID folder with different
subfolders having numbers and letters.
OK, right click the CLSID folder, select 'permissions'
On the top there is a list of users, including System, choose System.
On the lower part there is a list made up of
Administrators permissions Allow Deny
Full control -->> x
Read -->> x
Special permits
You have to check, deny read and total control permissions for System.
so it can't change the subkeys of this item, which control the icons
used in the desktop. Click apply and reboot.
Your customizations should be protected from any change now.
