There is a default app: the Ubuntu Software Center. That screen is just telling you that it will launch the Software Center for the app.
Also, I believe the protocol handles are managed by the system, not Chromium. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/960408 Title: Chromium doesn't know how to handle apt:// by default is this a feature we can add To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/960408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
