That's interesting: clearing the session cache seems to have improved things. I wonder if there is some odd interaction between the session cache and Chromium?
After clearing the cache, the Chromium icon in the bar at top, representing the background process, reappears whenever I reboot, but no windows are opened. I even opened Chromium to two news sites, rebooted, and later opened Chromium to Gmail and Facebook, rebooted, and in neither case did Chromium windows open after I logged in, just the Chromium icon in the top bar. If I uncheck Chromium from the Application Autostart tab, it's rechecked once Chromium restarts. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1175601 Title: Two Chromium background instances and a browser window open on boot without my permission Status in “chromium-browser” package in Ubuntu: Invalid Status in “xfce4-session” package in Ubuntu: New Bug description: When I log into my user session (type in my password on the login prompt after boot), Chromium auto-starts, and two instances of its background process automatically open: per the attached image, two Chromium icons appear in the top bar. Also, an instance of the browser appears in the middle of the screen. When this happens, I get an inconsistent browsing experince in Chromium, where it is randomly unable to connect to web sites or download components referenced by web pages (e.g., CSS files, JS files, etc.). I can fix by closing the browser and also both the background sessions, then restarting Chromium. I have never configured Chromium to start up when I log into my session. This has happened without my explicit permission or consent. If I go to Session and Startup's Application Autostart tab, Chromium appears in the list and is checked. I did not configure this. Expected behavior: No part of Chromium opens at all, not even a background process, until I launch the browser for the first time. I am using a copy of Xubuntu 13.04 that was upgraded from Xubuntu 12.10. This problem was happening for several weeks back with Xubuntu 12.10, too. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: chromium-browser 25.0.1364.160-0ubuntu3 ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8 Uname: Linux 3.8.0-19-generic i686 ApportVersion: 2.9.2-0ubuntu8 Architecture: i386 Date: Thu May 2 08:18:13 2013 Desktop-Session: DESKTOP_SESSION = xubuntu XDG_CONFIG_DIRS = /etc/xdg/xdg-xubuntu:/etc/xdg:/etc/xdg XDG_DATA_DIRS = /usr/share/xubuntu:/usr/local/share/:/usr/share/:/usr/share EcryptfsInUse: Yes Env: MOZ_PLUGIN_PATH = None LD_LIBRARY_PATH = None InstallationDate: Installed on 2013-01-02 (119 days ago) InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.1) MarkForUpload: True SourcePackage: chromium-browser UpgradeStatus: Upgraded to raring on 2013-04-30 (1 days ago) chromium-default: CHROMIUM_FLAGS="" gconf-keys: /desktop/gnome/applications/browser/exec = b'firefox\n'/desktop/gnome/url-handlers/https/command = b'sensible-browser %s\n'/desktop/gnome/url-handlers/https/enabled = b'true\n'/desktop/gnome/url-handlers/http/command = b'sensible-browser %s\n'/desktop/gnome/url-handlers/http/enabled = b'true\n'/desktop/gnome/session/required_components/windowmanager = b''/apps/metacity/general/compositing_manager = b''/desktop/gnome/interface/icon_theme = b'elementary-xfce-dark\n'/desktop/gnome/interface/gtk_theme = b'Greybird\n' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1175601/+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