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/1712978 Title: HTML5 issue in firefox while watching youtube videos Status in firefox package in Ubuntu: Invalid Bug description: if i open youtube it is asking like HTML5 sholud enable, if i enable using firefox extentions , youtube working fine , but some other websites are not working . they are asking for flash player . 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 x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.4-0ubuntu4.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: sam 1458 F...m pulseaudio /dev/snd/controlC0: sam 1458 F.... pulseaudio BuildID: 20170816204344 Channel: Unavailable CurrentDesktop: Unity:Unity7 Date: Fri Aug 25 11:20:45 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 2017-08-22 (2 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) IpRoute: default via 192.168.0.1 dev wlp12s0 proto static metric 600 169.254.0.0/16 dev wlp12s0 scope link metric 1000 192.168.0.0/24 dev wlp12s0 proto kernel scope link src 192.168.0.3 metric 600 Locales: extensions.sqlite corrupt or missing Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js ProcEnviron: LANGUAGE=en_IN:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_IN SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=55.0.2/20170816204344 (In use) RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/26/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 047MWF dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA06:bd11/26/2010:svnDellInc.:pnVostro1015:pvr:rvnDellInc.:rn047MWF:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Vostro 1015 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1712978/+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