Here are the errors in the JavaScript console after attempting to add a new address to the address book accessed via a compose message window (it seems to work fine if accessing the address book directly from Tasks | Address Book):
Error: Components.classes['@mozilla.org/widget/dragservice;1'] has no properties Source File: chrome://messenger/content/messengerdnd.js Line: 43 Error: redeclaration of const hide Source File: chrome://wallet/content/walletOverlay.js Line: 1 Error: Components.classes['@mozilla.org/widget/dragservice;1'] has no properties Source File: chrome://messenger/content/addressbook/abSelectAddressesDialog.js Line: 42 Error: uncaught exception: [Exception... "Component returned failure code: 0x80004002 (NS_NOINTERFACE) [nsISupports.QueryInterface]" nsresult: "0x80004002 (NS_NOINTERFACE)" location: "JS frame :: chrome://messenger/content/addressbook/abCommon.js :: GetDirectoryFromURI :: line 849" data: no] -- Howard
