This error also exist in the "System->Help and Support". Seems the problem is related to the Help program.
Futhermore, if Firefox is not already running, clicking an external link in the Help program will not return, resulting in a frozen Help window. -- Unable to load page in about ubuntu dialog https://bugs.launchpad.net/bugs/213719 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs