We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Firefox crashes when I put youtube in fullscreen and then click on a tab in another window.

  • 3 replies
  • 1 has this problem
  • 7 views
  • Last reply by FredMcD

GespentWolf
GespentWolf
more options

I have a dual monitor setup. I usually have youtube open on one monitor, then something else on the other. When I put youtube in fullscreen, then click on firefox on the other monitor, it stops responding. I have tried both flash and HTML5, but they both do the same thing

I have a dual monitor setup. I usually have youtube open on one monitor, then something else on the other. When I put youtube in fullscreen, then click on firefox on the other monitor, it stops responding. I have tried both flash and HTML5, but they both do the same thing

All Replies (3)

the-edmeister
the-edmeister
  • Moderator
more options

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

  1. Enter about:crashes in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
  2. Copy the 5 most recent Report IDs that start with bp- and then go back to your forum question and paste those IDs into the "Post a Reply" box.

Note: If a recent Report ID does not start with bp- click on it to submit the report.

(Please don't take a screenshot of your crashes, just copy and paste the IDs. The below image is just an example of what your Firefox screen should look like.)

aboutcrashesFx29

Thank you for your help!

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

GespentWolf
GespentWolf Question owner
more options

It happened to me a few times today, but according to about: crashes nothing has happened for a few days. 7850b3c8-f2a9-4fce-ac12-09d87973babe 12/5/2015 9:50 PM 6ca4dbaf-2cb9-4ac7-b417-2f3705ded494 12/1/2015 3:28 PM b79f2eaf-aa0b-4194-9f87-834375ef62d4 11/30/2015 1:47 AM 9b29811d-5787-44d5-8e4d-bd61555dc4fa 11/24/2015 10:18 PM ea620917-0ec3-44fb-98be-5f21f89535af 11/23/2015 2:42 AM

EDIT: Happened again. bp-ce31d362-0e27-4726-949c-523612151208 12/7/2015 10:36 PM bp-b45ab63d-7d0b-428c-a759-744182151208 12/7/2015 10:33 PM

Modified by GespentWolf

FredMcD
FredMcD
more options

bp-b45ab63d-7d0b-428c-a759-744182151208

Signature hang | WaitForMultipleObjectsEx

Process Type plugin Shockwave Flash Version: 19.0.0.245

This is for Sumo's Related Bugs 1204663 RESOLVED DUPLICATE Sage Academy courses crash the content process with async plugin init enabled ++++++++++++++++++++++++++++++++++++++++ bp-ce31d362-0e27-4726-949c-523612151208

Process Type plugin Shockwave Flash Version: 19.0.0.245

Attention Sumo's there are 20 related bug reports

If you have problems with current Shockwave Flash plugin versions then check this:

  • see if there are updates for your graphics drive drivers

https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

  • disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)

https://forums.adobe.com/message/4468493#TemporaryWorkaround

  • disable hardware acceleration in the Flash plugin

https://forums.adobe.com/thread/891337 See also:

Some of your crash reports weren’t sent to the Mozilla Servers.

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

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