14.04 - firefox installation error - Ask Ubuntu
i getting error while installing stable release of firefox package:
step step installation:
first checking whether firefox installed or not:
$ firefox program 'firefox' not installed. can install typing: sudo apt-get install firefoxinstall firefox:
reading package lists... done building dependency tree reading state information... done following packages installed: libcanberra0 libogg0 libstartup-notification0 libtdb1 libvorbis0a libvorbisfile3 libxcb-util0 xul-ext-ubufox suggested packages: fonts-lyx libcanberra-gtk0 libcanberra-pulse following new packages installed: firefox libcanberra0 libogg0 libstartup-notification0 libtdb1 libvorbis0a libvorbisfile3 libxcb-util0 xul-ext-ubufox 0 upgraded, 9 newly installed, 0 remove , 29 not upgraded. need 45.3 mb/45.6 mb of archives. after operation, 113 mb of additional disk space used. want continue? [y/n]y get:1 http://ppa.launchpad.net/ubuntu-mozilla-security/ppa/ubuntu/ trusty/main firefox amd64 50.0+build2-0ubuntu0.14.04.1 [45.3 mb] fetched 45.3 mb in 9s (4,880 kb/s) selecting unselected package libtdb1:amd64. dpkg: warning: files list file package 'firefox-mozilla-build' missing; assuming package has no files installed (reading database ... 94637 files , directories installed.) preparing unpack .../libtdb1_1.3.8-0ubuntu0.14.04.1_amd64.deb ... unpacking libtdb1:amd64 (1.3.8-0ubuntu0.14.04.1) ... selecting unselected package libogg0:amd64. preparing unpack .../libogg0_1.3.1-1ubuntu1_amd64.deb ... unpacking libogg0:amd64 (1.3.1-1ubuntu1) ... selecting unselected package libvorbis0a:amd64. preparing unpack .../libvorbis0a_1.3.2-1.3ubuntu1_amd64.deb ... unpacking libvorbis0a:amd64 (1.3.2-1.3ubuntu1) ... selecting unselected package libvorbisfile3:amd64. preparing unpack .../libvorbisfile3_1.3.2-1.3ubuntu1_amd64.deb ... unpacking libvorbisfile3:amd64 (1.3.2-1.3ubuntu1) ... selecting unselected package libcanberra0:amd64. preparing unpack .../libcanberra0_0.30-0ubuntu3_amd64.deb ... unpacking libcanberra0:amd64 (0.30-0ubuntu3) ... selecting unselected package libxcb-util0:amd64. preparing unpack .../libxcb-util0_0.3.8-2ubuntu1_amd64.deb ... unpacking libxcb-util0:amd64 (0.3.8-2ubuntu1) ... selecting unselected package libstartup-notification0:amd64. preparing unpack .../libstartup-notification0_0.12-3ubuntu1_amd64.deb ... unpacking libstartup-notification0:amd64 (0.12-3ubuntu1) ... selecting unselected package firefox. preparing unpack .../firefox_50.0+build2-0ubuntu0.14.04.1_amd64.deb ... unpacking firefox (50.0+build2-0ubuntu0.14.04.1) ... selecting unselected package xul-ext-ubufox. preparing unpack .../xul-ext-ubufox_3.2-0ubuntu0.14.04.1_all.deb ... unpacking xul-ext-ubufox (3.2-0ubuntu0.14.04.1) ... processing triggers mime-support (3.54ubuntu1.1) ... processing triggers man-db (2.6.7.1-1ubuntu1) ... setting libtdb1:amd64 (1.3.8-0ubuntu0.14.04.1) ... setting libogg0:amd64 (1.3.1-1ubuntu1) ... setting libvorbis0a:amd64 (1.3.2-1.3ubuntu1) ... setting libvorbisfile3:amd64 (1.3.2-1.3ubuntu1) ... setting libcanberra0:amd64 (0.30-0ubuntu3) ... setting libxcb-util0:amd64 (0.3.8-2ubuntu1) ... setting libstartup-notification0:amd64 (0.12-3ubuntu1) ... setting firefox (50.0+build2-0ubuntu0.14.04.1) ... update-alternatives: error: alternative path /usr/bin/firefox doesn't exist dpkg: error processing package firefox (--configure): subprocess installed post-installation script returned error exit status 2 setting xul-ext-ubufox (3.2-0ubuntu0.14.04.1) ... processing triggers libc-bin (2.19-0ubuntu6.9) ... errors encountered while processing: firefox e: sub-process /usr/bin/dpkg returned error code (1)
so error exactly. searched not able solve it.
apt-cache policy firefox:
firefox: installed: 50.0+build2-0ubuntu0.14.04.1 candidate: 50.0+build2-0ubuntu0.14.04.1 version table: *** 50.0+build2-0ubuntu0.14.04.1 0 500 http://ppa.launchpad.net/ubuntu-mozilla-security/ppa/ubuntu/ trusty/main amd64 packages 100 /var/lib/dpkg/status 50.0~b11+build1-0ubuntu0.14.04.1 0 500 http://ppa.launchpad.net/mozillateam/firefox-next/ubuntu/ trusty/main amd64 packages 49.0.2+build2-0ubuntu0.14.04.1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 packages 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 packages 28.0+build2-0ubuntu2 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 packages how can switch stable release branch of firefox?
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