Package Operation Failed

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http://askubuntu.com – So, after an update to 14.04 it's been running okay for some time and then the errors came in. I was suddenly unable to install packages. The usual Automatic Updates thing just kept failing with 'Package Operation Failed' but after clicking Ok it said 'All software is up to date' so i have no idea what's up with that. While writing this i've tried: sudo apt-get clean sudo apt-get update and here's the output of sudo apt-get -f install (after those 2 cmds above): (i've removed the sudo password thing) Reading package lists... Done Building dependency tree Reading state informatio (HowTos)