I have the solution guys!!! Just uncheck an option, I attach an Image, it's in italian and about the KDE edition, but the ones that use Gnome have found the same option so just search for something similar.
** Attachment added: "schermata1.png" http://launchpadlibrarian.net/9096779/schermata1.png -- Firefox freeze when on certain network - possible proxy problem https://bugs.launchpad.net/bugs/98523 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