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We're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash ID's to help us learn more about your crash.

1. Enter about:crashes in the address bar (that's where you enter your website URL) and press Enter. You should now see a list of submitted crash reports.
2. Copy the 5 most recent crash ID's that you see in the crash report window and paste them into your response here.

Thank you for your cooperation!

More information and further troubleshooting steps can be found in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.

You mean like this? Plugincontainer doesn't actually crash it just uses 99% of CPU.

546c2994-a82b-4ea4-b841-b7eeb90375da 6/4/2013 16:36 
7185603b-ecbd-4874-a07d-802a7caa9d24 6/4/2013 16:27 
0de560bf-9bd8-4eca-be32-fb399b70088b 6/4/2013 15:29 
47b1d461-8128-4bd7-b95f-0bf6d1a937ab 6/4/2013 12:25 
04f584e9-d1a7-4892-88b7-482111fd647c 5/29/2013 14:34 
d6c5f4b5-6740-4cdd-83fb-bae1e72e7835 5/20/2013 16:38 
3d78e408-43c5-4f7c-8361-4cb0d88c4a57 5/20/2013 16:16 

c849b1f7-2407-4f47-aa6f-27e7a9e0e3bf 7/25/2013 9:57 PM
8e97b0cd-e7ee-4793-9dca-9a9bfbbaa143 7/25/2013 9:57 PM
8c938cc6-ff28-4745-8514-40e38f09590c 7/25/2013 9:57 PM
96135336-c90a-481c-9a42-fde5c22e4f35 7/25/2013 9:57 PM
6ea1f122-43ad-4ed8-b277-7c0c78d9ed4a 7/25/2013 9:57 PM

Recent crashes (and Hangs) of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox are most probably caused by a recent Flash update and/or a malfunctioning browser plugin such as Real Player.

In order to remedy the problem, please perform the steps mentioned in these Knowledge Base articles:

• Flash Plugin - Keep it up to date and troubleshoot problems

• Adobe Flash plugin has crashed - Prevent it from happening again

• Flash 11.3 doesn't load video in Firefox

Other, more technical information about these issues can be found under these Links:

• http://forums.adobe.com/thread/1018071?tstart=0

• http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html

Please tell us if this helped!

bp-c41350b3-efba-4cef-b5d9-c6ee22130908 9/8/2013 12:37 PM
bp-6219c84b-9943-4c39-95cf-d6de02130830 8/29/2013 8:33 PM
bp-bb0eaf2f-8214-4100-8a59-adf542130828 8/28/2013 3:44 PM
bp-eb922c5a-1cf7-42b3-9065-3d64a2130826 8/25/2013 8:22 PM
bp-74cdbd99-96a6-429f-8ae1-a0cb42130824 8/24/2013 9:38 AM

Yes, "plugin container" crashes often.

Hi dlandiss, based on the latest crash data, I recommend disabling the Flash Player plugin's protected mode. See this support article from Adobe under the heading "Last Resort": Adobe Forums: How do I troubleshoot Flash Player's protected mode for Firefox? Note the specific folder path for 32-bit vs. 64-bit Windows (both folders exist on 64-bit Windows, but Firefox only uses the Flash plugin in the SysWOW64 path).

Thank you, jscher. I have done that and will keep watching.

--Dan in St. Louis

jscher, I made the change you proposed and Firefox still crashes:

bp-fed4de28-9239-4110-a697-6491d2130909 9/9/2013 7:47 AM
bp-c41350b3-efba-4cef-b5d9-c6ee22130908 9/8/2013 12:37 PM
bp-6219c84b-9943-4c39-95cf-d6de02130830 8/29/2013 8:33 PM
bp-bb0eaf2f-8214-4100-8a59-adf542130828 8/28/2013 3:44 PM
bp-eb922c5a-1cf7-42b3-9065-3d64a2130826 8/25/2013 8:22 PM
bp-74cdbd99-96a6-429f-8ae1-a0cb42130824 8/24/2013 9:38 AM
bp-673d02b9-c972-47ec-b306-a1c0a2130812 8/12/2013 2:42 PM

--Dan in St. Louis

Hi Dan, your latest crash unfortunately has incomplete data so I'm not able to interpret it ("no crashing thread identified; corrupt dump"). While I hope you don't have more crashes, please do post the next ID you get if it has more information.

Try to disable hardware acceleration in Firefox.

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

bp-c96c4966-124d-4b63-aa05-73a4c2131001 10/1/2013 4:58 AM
bp-17086050-8b1d-461f-b2d9-f8e462131001 10/1/2013 4:57 AM
bp-43058949-7830-4ee5-86ce-449642131001 9/30/2013 11:37 PM
bp-c2019ab1-8501-45b1-88e9-4f02f2130930 9/30/2013 1:24 PM
bp-4515565b-e701-4048-9eea-a3e122130930 9/30/2013 5:28 AM

It just won't quit. There have been several crashes that are not logged here -- at least 4 in the past 2 days. Often there is also a warning that a script stopped running.

Report ID                             	Date Submitted

bp-22963ba0-6389-45b3-bcc9-6c7a22131005 10/5/2013 9:05 AM
bp-73f71da9-cda0-4e3e-ab6d-25f632131002 10/2/2013 10:07 AM
bp-fed4de28-9239-4110-a697-6491d2130909 9/9/2013 7:47 AM
bp-c41350b3-efba-4cef-b5d9-c6ee22130908 9/8/2013 12:37 PM
bp-6219c84b-9943-4c39-95cf-d6de02130830 8/29/2013 8:33 PM
bp-bb0eaf2f-8214-4100-8a59-adf542130828 8/28/2013 3:44 PM
bp-eb922c5a-1cf7-42b3-9065-3d64a2130826 8/25/2013 8:22 PM
bp-74cdbd99-96a6-429f-8ae1-a0cb42130824 8/24/2013 9:38 AM
bp-673d02b9-c972-47ec-b306-a1c0a2130812 8/12/2013 2:42 PM
cc264d75-92ee-4009-a88d-5212883d9bb3 7/22/2013 9:27 PM

Hi dlandiss, is Oct. 5th your latest? In looking at some other crash reports that have the same signature on Firefox 24+Windows 7, one frequent commonality is the Skype extension. Could you try disabling it and see whether that makes any difference? You can do that on the Add-ons page here:

orange Firefox button (or Tools menu) > Add-ons > in the left column click Extensions

You may want to disable other extensions you don't mind living without for 48 hours to see whether you have a problem running just the essential ones.

October 5 is only the most recent crash that was recorded. FF has crashed at least 4 times in the past 2 days.

I have now disabled The Skype extension, and all plug-ins except Java and Flash. Unfortunately Flash freezes often and I get the "Shockwave Flash stopped running" error message.

Thank you for your help, I hope we can narrow down the possible causes.

Does it help if you set the Flash and Java plugin to "Ask to activate" to prevent them from starting automatically?

Unfortunately that choice does not seem to be available for the Flash and Java plugins -- just "always activate" or "never activate."

Thanks---

Dan in St. Louis

Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available" Thank you.

dyvik1001, on September 10 (a few messages above in this thread) I was advised to turn that off, so I did. I found no difference in crash rate.

Thank you.

--Dan in St. Louis

Hi Dan, before you get that third choice, you need to change a preference in the about:config preference editor.

(1) In a new tab, type or paste about:config in the address bar and press Enter. Click the button promising to be careful.

(2) In the search box that appears above the list, type or paste click and pause while the list is filtered

(3) Double-click the plugins.click_to_play preference to switch it from false to true