Looking for a way to lock ichat preferences. Basically, my children are turning of the automatic chat trascription, and I want it on. Would like to know how to lock this in place.
Then "Control" click on the "iChat.app" application in your Applications folder.
Choose "Show Package Contents", then navigate to "Contents:Resources:English.lprojrefs_MsgCompose.nib". Make a backup of it, in case this does not work. If you double-click it, it will open in "Interface Editor". Find the checkbox and delete it.