Everything worked earlier today but not now. Contents of sources.list here:E: Release file for http://debian.lth.se/lmde/latest/dists/ ... /InRelease is expired (invalid since 117d 10h 22min 1s). Updates for this repository will not be applied.
deb [arch=amd64,i386] http://packages.linuxmint.com/ debian main upstream import
deb [arch=amd64,i386] http://debian.lth.se/lmde/latest testing main contrib non-free
deb [arch=amd64,i386] http://debian.lth.se/lmde/latest/security testing/updates main contrib non-free
deb [arch=amd64,i386] http://debian.lth.se/lmde/latest/multimedia testing main non-free
deb http://download.virtualbox.org/virtualbox/debian squeeze contrib