It found the problem, had installed fonts ttf copies in the folder /usr/share/fonts/mttscorefonts but had not given permission to read so that the programs were trying to read and could not.
I feel all the mess that he organized and thanks for your help. -- Firefox does not display the text, goes blank https://bugs.launchpad.net/bugs/235397 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
