This is what I get from the error console:
NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIExternalProtocolService.loadUrl] contentAreaClick.js:195 openLinkExternally chrome://communicator/content/contentAreaClick.js:195:3 contentAreaClick chrome://communicator/content/contentAreaClick.js:166:3 onclick chrome://messenger/content/messenger.xul:1:8
