holding the following packages at their respective versions resolves the error, for now. (apt-get install these packages with "apt-get install <package>=<version>" and then use "apt-mark hold <package>=<version>")
((posted for the new guys like me, who were slightly terrified when this error popped up)) python3-click-package=0.4.45.1+16.10.20160916-0ubuntu1 gir1.2-click-0.4=0.4.45.1+16.10.20160916-0ubuntu1 libclick-0.4-0=0.4.45.1+16.10.20160916-0ubuntu1 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to click in Ubuntu. https://bugs.launchpad.net/bugs/1700089 Title: package python3-click-package 0.4.46+16.10.20170607.3-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 Status in click package in Ubuntu: Confirmed Bug description: Not sure what happened, just had this pop up. ProblemType: Package DistroRelease: Ubuntu 16.10 Package: python3-click-package 0.4.46+16.10.20170607.3-0ubuntu1 ProcVersionSignature: Ubuntu 4.8.0-56.61-generic 4.8.17 Uname: Linux 4.8.0-56-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.3 AptOrdering: click:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Fri Jun 23 14:59:20 2017 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2016-08-21 (305 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) RelatedPackageVersions: dpkg 1.18.10ubuntu1.1 apt 1.3.5 SourcePackage: click Title: package python3-click-package 0.4.46+16.10.20170607.3-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to yakkety on 2016-10-19 (247 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/click/+bug/1700089/+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