This looks like corrupted .pyc files. Do you have old python interpreters such as python2.4 or older installed?
How can I reproduce this problem? ** Changed in: python-support (Ubuntu) Status: New => Incomplete ** Summary changed: - python-support: update-python-modules crash + SystemError: unknown opcode - /usr/lib/python2.6/posixpath.py:59 -- SystemError: unknown opcode - /usr/lib/python2.6/posixpath.py:59 https://bugs.launchpad.net/bugs/509095 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