>From http://ubuntuforums.org/showthread.php?p=11403493
The APT::Default-Release identifier is within Synaptic config file at each home directory (for you and root). I have recreated this error by manually editing those files. Going to /root/.synaptic/synaptic.conf and changing the default distro to precise fixed it for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/978821 Title: E: Значение «oneiric» недопустимо для APT::Default-Release, так как выпуск недоступен в источниках E: _cache->open() failed, please report. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/978821/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs