Thank you for taking the time to report this bug. Xubuntu 18.04 (Bionic Beaver) reached end-of-life (EOL) on April 30, 2021.
As such, any and all installations of Xubuntu 18.04 are unsupported. Due to this lack of support, this bug report is invalid as it was reported after the EOL date. ** Changed in: ubiquity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928597 Title: installation apt a planté To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1928597/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs