The address book of Messenger in Netscape 4.75 and 4.72 (part of RH 6.2) does not work properly. Specifically, you cannot delete a card added to the address book, when you add a new card the screen is not refreshed with the name, and pinpoint addressing does not pick up the address book entry. Also, clicking on the address book in a new message creation form causes Netscape to crash.
*** This bug has been marked as a duplicate of 10433 ***