I installed the ppa and (re)installed pitivi to v0.13.5 and now the rendering process started and even completed!
(I can not view the result in Totem, but that, I guess, is another issue). Thanks Jean-Francois, for the tip. Dror -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/710567 Title: Rendering doesn't start -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs