config.php has to CHMOD'd to 666 before the install and then reset to 644 afterwords. that is the only time that
it written to.
John (A cranky old man. "Looking for an echo ...")
using any control-panel install/update is like shooting yourself in the foot. It won't kill you, but you're really going to hobble around until it heals.
Using the wrong tools (Front Page, DreamWeaver) gives the same results
Do not PM me for Support!