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.

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

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.)

Thank you for your help!

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

The Browser just crashed right after doing the Mozilla software update. Right after that I cannot seems to do anything what you wanted me to do.

BuildID: 20171129231826 CrashTime: 1514250783 FramePoisonBase: 0000004041121792 FramePoisonSize: 4096 InstallTime: 1513952203 ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 132330 StartupCrash: 1 StartupTime: 1514250780 ThreadIdNameMapping: 5743:"Gecko_IOThread",5745:"Timer",5746:"Link Monitor",5747:"Socket Thread",5748:"JS Watchdog",5757:"BGReadURLs",5758:"Hang Monitor", Throttleable: 1 UptimeTS: 3.4160387 Vendor: Mozilla Version: 57.0.1

This report also contains technical information about the state of the application when it crashed.

ignore last ___________ Do what you can. Please Refresh but do this 1st:

• https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer
• https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

then

• https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings

TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...:

• https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles

If is your Profile :

• https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile
• http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Note: Any customization will revert back to default, you will also need to reinstall Extensions.

Please let us know if this solved your issue or if need further assistance.

Since you appear to be using a third-party ARM build of Firefox from Ubuntu, best is to ask advice at a Ubuntu support forum.

• https://ubuntuforums.org/

We have seen more report with crashes with this third-party Firefox version for ARM.