It seems that problem is caused by LEGACY addons. I Refreshed my Firefox and installed my addons back to it.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1714387 Title: browser crashes Status in firefox package in Ubuntu: Confirmed Bug description: browser crashes ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: firefox 55.0.2+build1-0ubuntu0.16.04.1 ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17 Uname: Linux 4.10.0-33-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ralix 1931 F.... pulseaudio BuildID: 20170816210634 Channel: Unavailable CurrentDesktop: X-Cinnamon Date: Thu Aug 31 19:01:20 2017 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2017-05-08 (115 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-b1958b34-bf96-47eb-9115-57bad1170831 Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=55.0.2/20170816210634 (In use) RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-b1958b34-bf96-47eb-9115-57bad1170831 bp-7275c730-82cc-42ce-8a4b-5d7541170831 bp-e79b7f29-816f-4cc1-b1c4-13e521170828 bp-fbc669b3-0c7a-4d50-a898-dd0fb1170824 Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/30/2016 dmi.bios.vendor: LENOVO dmi.bios.version: N1CET52W (1.20 ) dmi.board.asset.tag: Not Available dmi.board.name: 20FAS3PN00 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: 20915 dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN1CET52W(1.20):bd11/30/2016:svnLENOVO:pn20FAS3PN00:pvrThinkPadT460s:rvnLENOVO:rn20FAS3PN00:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone: dmi.product.name: 20FAS3PN00 dmi.product.version: ThinkPad T460s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1714387/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
