firebug 1.9.1 in Firefox 11 debugger not working

Question

When I activate script panel it says "Debugger not activated", but i cant make firebug break at debugger; or at a break point.

I have reinstalled the plugin. Reset it to default settings. Deleted the firefox profile Reboot computer

Nothing works, This version have been working.

Answer 1

Same thing happened to me (FF 18; FB 1.11.1). Some Googling found this which fixed my problem:

The same problem happened to me recently. I've cleared cache and cookies and it worked fine. Not sure, probably clearing cache only will be enough. In Firefox choose Tools -> Clear Recent Hisotry -> Cache(checkbox) Reload the page or restart Firefox and it should work fine.

Answer 2

I reinstalled firefox and firebug, and now it works again..

Answer 3

Firebug version only supported to related Firefox version. so install firebug to related firefox version.

For Example. Firefox 3.6 with Firebug 1.7.3

Firefox 4.0 with Firebug 1.7.3

Firefox 5.0 with Firebug 1.8.2 (and also Firebug 1.7.3)

Firefox 6.0 with Firebug 1.8.2 (and also Firebug 1.9)

Firefox 7.0 with Firebug 1.8.2 (and also Firebug 1.9)

Firefox 8.0 with Firebug 1.8.3 (and also Firebug 1.9)

Firefox 9.0 with Firebug 1.8.4 (and also Firebug 1.9)

Firefox 10.0 with Firebug 1.9

Firefox 11.0 with Firebug 1.9

Firefox 12.0 with Firebug 1.9

Firefox 13.0 with Firebug 1.10 (and also Firebug 1.9)

Firefox 14.0 with Firebug 1.10

Firefox 15.0 with Firebug 1.10

Firefox 16.0 with Firebug 1.10

Firefox 17.0 with Firebug 1.11 (and also Firebug 1.10)

Firefox 18.0 with Firebug 1.11

Firefox 19.0 with Firebug 1.11

Firefox 20.0 with Firebug 1.11

Firefox 21.0 with Firebug 1.11

Firefox 22.0 with Firebug 1.11

Firefox 23.0 with Firebug 1.12 (and also Firebug 1.11)

Firefox 24.0 with Firebug 1.12

Firefox 25.0 with Firebug 1.12

See this Link I think it will helpfull to you.