I just managed to upgrade from feisty to gutsy using the alternate cd and everything seems ok except now my update manager is telling me i can install a new version of cupsys, but when I try I get the following error:
Preparing to replace cupsys 1.2.8-0ubuntu8.6 (using .../cupsys_1.3.2-1ubuntu7.8_i386.deb) ...
Ignoring nonregistered document cupsys
chown: cannot access `/var/run/cups': No such file or directory
dpkg: error processing /var/cache/apt/archives/cupsys_1.3.2-1ubuntu7.8_i386.deb (--unpack):
subprocess pre-installation script returned error exit status 1
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)