Comments on: Fixing Firefox Gmail 400 Bad request

By: Frank

Frank — Mon, 02 Aug 2010 20:07:54 +0000

The “Firefox is already running but is not responding” error is a very common Firefox issue, unrelated to my instructions.

Follow my instructions again, and use this support thread if it happens again.

http://support.mozilla.com/en-us/kb/firefox+is+already+running+but+is+not+responding

Of course I suggest you look at it first, before going through all that again.

By: Stacie

Stacie — Mon, 02 Aug 2010 13:31:08 +0000

This problem started four days ago. I tried your way, but when I tried to restart Firefox there was a popup saying Firefox was already running but not responding. The only way I could fix that was to put the original profile back.

By: julia

julia — Thu, 21 Jan 2010 02:45:58 +0000

Hi – I have been having this problem for a few days now – I can’t figure it out — I tried to do your fix, but unfortunately after clearing my profile (yes, it said the folder was empty) and restarting firefox it did the exact same thing – recreated the profile and put it in the same place, with the same name, even. I’m frustrated. did I do something wrong? other tips or tricks? thanks!

By: andreaf

andreaf — Thu, 10 Sep 2009 06:28:48 +0000

I ran Speedy Fox and suddenly for some unknown reason began getting 404′s when attempting to access anything google-related. I was stumped, and opened Chrome and used google there to find this answer. This worked perfectly. All is well in googletown again. Bless.

By: Didi

Didi — Tue, 25 Aug 2009 06:22:42 +0000

hi frank,

thanks that helped me!

regards

By: Frank

Frank — Tue, 16 Jun 2009 17:36:33 +0000

Glad it helped, Eileen!

I ran into the same “clean cache/cookies” responses when I initially researched this problem. Unfortunately, most of those supports comments come from good-natured users who simply don’t understand the problem, usually as a result of a plea for help that wasn’t clear to begin with!

By: Eileen

Eileen — Tue, 16 Jun 2009 17:26:09 +0000

Thank you so very much!! This is the only thing that worked. I got so tired of hearing that I just needed to clean cache/cookies every time I started.