I don't know if it is ok but there is temporary solution for this bug which is simple, type in your Terminal
sudo mypaint and it will work! At least i found that it works for some people. It seems like same error is repeating with some other programs and people solved that error by typing sudo in front of program. I tried that wil mypaint and it worked :) I hope that i am not in breach of some rules but i wanted to share it with people who can not wait to see fix for it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/651678 Title: crashes with assertion failure on startup -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs