Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox. A small dialog should appear. Click Start In Safe Mode (not Refresh).

Is the problem still there?

While still in Safe Mode,

In the address bar, type about:crashes<enter>. Note: If any reports do not have BP in front of the numbers/letters, click it to submit them.

The crash report is several pages of data. We need the report numbers to see the whole report.

Using your mouse, mark the most resent 7 - 10 crash reports, and copy them. Now go to the reply box below and paste them in.

https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently

https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding

bp-37dc1379-7f9e-4a78-abfe-422322160902 02/09/2016 21:58 bp-e6745bda-1376-4eac-807a-b6b212160902 02/09/2016 21:54 18168788-160c-4772-9976-c600c50f4134 02/09/2016 18:40 94459ca4-9a01-4f99-aa8c-283ad6432b23 01/09/2016 17:46 bp-51e6e465-aac0-4b57-baef-ebd662160901 01/09/2016 07:11 81635040-b1f4-4b51-a419-ac13ba6b9599 27/08/2016 18:33 4d8d47c4-5f0e-49fa-8bf5-50145c62da98 12/08/2016 20:13 bp-d50db088-c61c-4541-b46a-398982160809 09/08/2016 19:23 7e4a98a5-c1bb-4590-91f0-6dd3d41c38b5 03/07/2016 23:28 0f978774-a577-4458-8ff3-e8124453ab89 01/07/2016 14:30 3519e7b6-c424-4bc8-aa02-0be9246e1d7f 27/06/2016 19:31 5553da34-f77f-498b-b60e-c239e112f96e 25/06/2016 12:09 91e332f8-4064-4cd4-9a3e-dfead92c6a1d 29/05/2016 00:51 8b57d759-951d-4109-94d7-9a618a736128 22/05/2016 23:12 fb9d8f9f-7772-4228-856b-ba6d2980b2f0 07/05/2016 19:09 26348035-7a31-44ab-9eb2-1abfdfa1c116 25/03/2016 21:38 caf137bb-da88-4559-8349-064aa5afdd6d 25/03/2016 20:33 fda55abb-bf5c-4620-9dcb-8a4d121d0c0f 05/02/2016 01:06 8ee679bc-6b79-465f-a350-8a314dfdb375 26/01/2016 14:18 13c2908c-d89e-4a2d-bd63-2c5db452e016 22/01/2016 17:30 00da1668-eb3d-4a99-bce7-c45a73ee36f2 18/01/2016 21:19 0a645a3b-556b-47b4-b72d-2f4735ee879b 04/01/2016 12:32 e963f361-2a18-4f10-9341-82f68c3bc4ac 02/01/2016 14:29 bp-5f025c5c-ee90-4913-9314-940f52151219 19/12/2015 12:58

Like that?

It can not submit the reports that does not have BP it just does the blue loading circle for ages and ever.

Sorry for the slow reply but it took me a long time just the get firefox to open the about crash reports in safemode.

Signature: shutdownhang | nsThread::ProcessNextEvent | NS_ProcessNextEvent | mozilla::net::nsHttpConnectionMgr::Shutdown

Nvwgf2um.dll = NVIDIA Compatible D3D10 Driver = NVIDIA Corporation

This is for Sumo's Related Bugs 1158189 REOPENED --- shutdownhang in mozilla::net::nsHttpConnectionMgr::Shutdown()

See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

What are you using for protection on your system? As a test, disable it.

FredMcD said

What are you using for protection on your system? As a test, disable it.

I have updated my grafics driver and disabled my firewalls none of it works, using avast and microsoft security btw.

Anything else that can be tryed?

I've called for more help

This latest patch seems to have fixed the problem :)

That was very good work. Well done. Please flag your last post as Solved Problem so others will know.