thank u jean the problem was exactly what u said. i was trying to install from local media , i removed the installation source from local media to online repository and i am done.
-- package libcolamd2.7.1 (not installed) failed to install/upgrade: cannot access archive: No such file or directory https://bugs.launchpad.net/bugs/567111 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
