your name and company info is collected during the purchase of FlashFXP license. not when you actualy use FlashFXP/liveupdate.
you can install FlashFXP 'offline' without any problems. there are people who don't use it to connect to inet at all, but rather all connections are on local networks.
online credit card payment is not even handled by CEDSoft, but rather by
ShareIT!. their business is to help small shareware developers, like FlashFXP here, to offer secure online transactions.