This "Critical" but "Unassigned" bug continues to manifest as described in comment #19. I will add the first screenshot here.
** Attachment added: "BUG_Ubuntu Restricted Extras_A03g1404-0402 3.13.0-21-generic #43-Ubuntu SMP Mon Mar 31 22:52:24 UTC 2014_2014-04-03 01:25:50.png" https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1290228/+attachment/4062497/+files/BUG_Ubuntu%20Restricted%20Extras_A03g1404-0402%203.13.0-21-generic%20%2343-Ubuntu%20SMP%20Mon%20Mar%2031%2022%3A52%3A24%20UTC%202014_2014-04-03%2001%3A25%3A50.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to software-center in Ubuntu. https://bugs.launchpad.net/bugs/1290228 Title: (14.04) Unable to install external deb packages "Package operation Failed" Status in Ubuntu Software Center: Confirmed Status in “software-center” package in Ubuntu: Triaged Bug description: Attempting to install external .deb packages results in the error "Package operation Failed" Screenshot attached. A work around is manually installing the packages using "sudo dpkg -i package.deb" --- ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 EcryptfsInUse: Yes InstallationDate: Installed on 2014-03-01 (8 days ago) InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016) Package: gdm 3.10.0.1-0ubuntu3 PackageArchitecture: amd64 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5 Tags: trusty third-party-packages Uname: Linux 3.13.0-16-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-03-03 (6 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/software-center/+bug/1290228/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

