That version is now dead http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml
** Changed in: firefox (Ubuntu) Status: New => Invalid -- 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/1713673 Title: The screen flashes becoming black Status in firefox package in Ubuntu: Invalid Bug description: Sometimes a Gray rectangle appears with: Input Not Supported, walking on the screen ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: firefox 55.0.2+build1-0ubuntu0.17.04.1 ProcVersionSignature: Ubuntu 4.10.0-32.36-generic 4.10.17 Uname: Linux 4.10.0-32-generic i686 AddonCompatCheckDisabled: False AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.10.0-32-generic. ApportVersion: 2.20.4-0ubuntu4.5 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: elio 1443 F.... pulseaudio BuildID: 20170816204308 Card0.Amixer.info: Card hw:0 'ICH5'/'Intel ICH5 with AD1981B at irq 17' Mixer name : 'Analog Devices AD1981B' Components : 'AC97a:41445374' Controls : 35 Simple ctrls : 23 Channel: Unavailable CurrentDesktop: LXDE Date: Tue Aug 29 10:45:12 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 2017-08-17 (11 days ago) InstallationMedia: Lubuntu 17.04 "Zesty Zapus" - Release i386 (20170412) IpRoute: default via 192.168.1.1 dev enp2s8 proto static metric 100 192.168.1.0/24 dev enp2s8 proto kernel scope link src 192.168.1.6 metric 100 IwConfig: enp2s8 no wireless extensions. lo no wireless extensions. Locales: extensions.sqlite corrupt or missing Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js ProcEnviron: LANGUAGE=it PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=55.0.2/20170816204308 (In use) RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/29/2004 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2005 dmi.board.name: P4SD-VX dmi.board.vendor: ASUSTek Computer Inc. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: RS dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2005:bd10/29/2004:svnSonyCorporation:pnPCV-RSM31(CE):pvrToBeFilledByO.E.M.:rvnASUSTekComputerInc.:rnP4SD-VX:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrRS: dmi.product.name: PCV-RSM31(CE) dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: Sony Corporation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1713673/+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