I was receiving the same "debugger not activated" message. I had to close all the firefox windows, and kill a task still running in the background and restart. When it came up I got a firebug change history so maybe after it updates in the background it breaks until you restart.
-- You received this message because you are subscribed to the Google Groups "Firebug" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at https://groups.google.com/forum/#!forum/firebug
