To delete a registry value with an ADM template don't enter any valueON or ValueOff, then when enabling the item it will add a registry value DWORD 1 and disabling will delete the registry value. Deleting registry keys is a lot more difficult, I'm trying to find this out myself. Oh yeah, you can delete registy keys and values with a registry file by doing the following :- To remove a key from the registry using a reg file, just add a minus sign before the key name: REGEDIT4 [-HKEY_CURRENT_USER\DummyTree] This will remove the entire tree "DummyTree". To remove an individual item from the registry, place the minus sign after the equal sign: REGEDIT4 [HKEY_CURRENT_USER\DummyTree] "ValueToBeRemoved"=-