I get the same error, I think this has to do with Totem, not Firefox, as that is the application that is launched to handle mms.
** Changed in: totem (Ubuntu) Sourcepackagename: firefox => totem ** Summary changed: - can't play audio files in Totem. Says I may not have permission to open the file. Videos open. + Totem won't play mms: Says Iyou may not have permission to open the file ** Changed in: totem (Ubuntu) Status: Incomplete => Confirmed -- Totem won't play mms: Says Iyou may not have permission to open the file https://bugs.launchpad.net/bugs/185449 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs