Now I also got the chance to get to the download window. I have exactly the same issue with the list not properly expanding. Screenshots are attached.
I am on 17.10 as well (upgraded). ** Attachment added: "Bildschirmfoto von »2018-04-12 20-45-53«.png" https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/1690541/+attachment/5113976/+files/Bildschirmfoto%20von%20%C2%BB2018-04-12%2020-45-53%C2%AB.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690541 Title: Scrolled windows in update-manager are too small to read To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/1690541/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs