wireless not connecting to router

Hi chaps forgive my impatience but having posted a previous request for help and received none thought i would post again,
running ubuntu 9.10 everything works great except my wireless connection, have only managed to make the connection once after numerous attempts of entering my password, router shown in network manager but connection fails any advice/help would be appreciated
thanks

me too

I have the same problem but it will work on everything else but Ubuntu.