Admit they are and always have been only ordinary men, guessing at what the Bible really says.
Stop trying to intervene in peoples personal relationship with God .
Apologize to those members and former members who's families have been destroyed by thier blunders and stop trying to be God's policemen, enforcing their interpretation of God's will, in peoples personal lives.
Give a regular detailed honest accounting of how donations are spent.
Stop saying that "We don't serve with a date in mind" and "no one know the day and hour" while at the same time saying the "end" is soooo close.
Do more to help people improve their lives now in a real and tangible way rather that promoting the idea that the more they do to promote their agenda, the better their lives will be.