If I read the report correctly, the issue was fixed in xdg-utils in xenial. Wily has been EOL for almost a year, so I am closing the bug.
** No longer affects: chromium-browser ** No longer affects: google-chrome-beta (Ubuntu) ** No longer affects: google-chrome (Ubuntu) ** Changed in: chromium-browser (Ubuntu) Status: In Progress => Invalid ** Changed in: chromium-browser (Ubuntu) Assignee: Chad Miller (cmiller) => (unassigned) ** Changed in: xdg-utils (Ubuntu) Status: Confirmed => Fix Released ** Changed in: xdg-utils (Ubuntu) Assignee: Chad Miller (cmiller) => (unassigned) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xdg-utils in Ubuntu. https://bugs.launchpad.net/bugs/1509139 Title: Shows "Chromium isn't your default browser" since 15.10. Status in Xdg-utils: Confirmed Status in chromium-browser package in Ubuntu: Invalid Status in xdg-utils package in Ubuntu: Fix Released Bug description: Since the 15.10. upgrade Chromium shows on every launch "Chromium isn't your default browser", even when i select "Set as default" or "Don't ask again". Chromium is set as default application for "Web" at System Settings -> Details -> Default Applications. Version 45.0.2454.101 Ubuntu 15.10 (64-bit) To manage notifications about this bug go to: https://bugs.launchpad.net/xdg-utils/+bug/1509139/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp