There wasn't anything that looked useful in /var/log/syslog. My parents now have the computer, and they have noticed the problem on several occasions. The workaround is to do a re-boot.
Either way, some extra information in the dialog would provide some much needed feedback to the user not only that something is happening, but what is happening. -- Modem monitor - inadequate status feedback https://launchpad.net/bugs/46169 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs