[dismas]

Originally Posted by cache

What do I do with the config thing?

Download your config.php file. It can be found in the /includes/ directory. In it, find this line

	//	****** UNDELETABLE / UNALTERABLE USERS ******
	//	The users specified here will not be deletable or alterable from the control panel by any users.
	//	To specify more than one user, separate userids with commas.
$config['SpecialUsers']['undeletableusers'] = '';

After the = sign and between the single quotes put the user id of the admin that you don't want to be able to delete or alter. If you have more than one, seperate them with a comma.