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: fftw3 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to fftw3 in Ubuntu. https://bugs.launchpad.net/bugs/1708882 Title: package libfftw3-doc (not installed) failed to install/upgrade: trying to overwrite '/usr/share/info/fftw3.info.gz', which is also in package imgcnv 1.66 Status in fftw3 package in Ubuntu: Invalid Bug description: apparent conflict with package 'imgcnv' - no idea who's right. $ sudo apt install libfftw3-3 libfftw3-dev libfftw3-doc Reading package lists... Done Building dependency tree Reading state information... Done libfftw3-3 is already the newest version (3.3.5-3). libfftw3-3 set to manually installed. The following packages were automatically installed and are no longer required: linux-headers-4.10.0-26 linux-headers-4.10.0-26-generic linux-image-4.10.0-26-generic linux-image-extra-4.10.0-26-generic Use 'sudo apt autoremove' to remove them. The following additional packages will be installed: libfftw3-bin libfftw3-quad3 The following NEW packages will be installed: libfftw3-bin libfftw3-dev libfftw3-doc libfftw3-quad3 0 upgraded, 4 newly installed, 0 to remove and 14 not upgraded. Need to get 2,877 kB of archives. After this operation, 19.3 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://us.archive.ubuntu.com/ubuntu zesty/main amd64 libfftw3-quad3 amd64 3.3.5-3 [549 kB] Get:2 http://us.archive.ubuntu.com/ubuntu zesty/main amd64 libfftw3-bin amd64 3.3.5-3 [31.8 kB] Get:3 http://us.archive.ubuntu.com/ubuntu zesty/main amd64 libfftw3-dev amd64 3.3.5-3 [2,123 kB] Get:4 http://us.archive.ubuntu.com/ubuntu zesty/main amd64 libfftw3-doc all 3.3.5-3 [173 kB] Fetched 2,877 kB in 1s (2,326 kB/s) Selecting previously unselected package libfftw3-quad3:amd64. (Reading database ... 423617 files and directories currently installed.) Preparing to unpack .../libfftw3-quad3_3.3.5-3_amd64.deb ... Unpacking libfftw3-quad3:amd64 (3.3.5-3) ... Selecting previously unselected package libfftw3-bin. Preparing to unpack .../libfftw3-bin_3.3.5-3_amd64.deb ... Unpacking libfftw3-bin (3.3.5-3) ... Selecting previously unselected package libfftw3-dev:amd64. Preparing to unpack .../libfftw3-dev_3.3.5-3_amd64.deb ... Unpacking libfftw3-dev:amd64 (3.3.5-3) ... Selecting previously unselected package libfftw3-doc. Preparing to unpack .../libfftw3-doc_3.3.5-3_all.deb ... Unpacking libfftw3-doc (3.3.5-3) ... dpkg: error processing archive /var/cache/apt/archives/libfftw3-doc_3.3.5-3_all.deb (--unpack): trying to overwrite '/usr/share/info/fftw3.info.gz', which is also in package imgcnv 1.66 Errors were encountered while processing: /var/cache/apt/archives/libfftw3-doc_3.3.5-3_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) ProblemType: Package DistroRelease: Ubuntu 17.04 Package: libfftw3-doc (not installed) ProcVersionSignature: Ubuntu 4.10.0-30.34-generic 4.10.17 Uname: Linux 4.10.0-30-generic x86_64 ApportVersion: 2.20.4-0ubuntu4.5 AptOrdering: libfftw3-quad3:amd64: Install libfftw3-bin:amd64: Install libfftw3-dev:amd64: Install libfftw3-doc:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Sat Aug 5 16:57:23 2017 ErrorMessage: trying to overwrite '/usr/share/info/fftw3.info.gz', which is also in package imgcnv 1.66 InstallationDate: Installed on 2017-04-08 (119 days ago) InstallationMedia: RelatedPackageVersions: dpkg 1.18.10ubuntu2 apt 1.4 SourcePackage: fftw3 Title: package libfftw3-doc (not installed) failed to install/upgrade: trying to overwrite '/usr/share/info/fftw3.info.gz', which is also in package imgcnv 1.66 UpgradeStatus: Upgraded to zesty on 2017-04-24 (103 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fftw3/+bug/1708882/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp