I am new to Ubuntu and new to this site. Whenever I try to update through the Update manager it fails and says "Package operation failed.The installation or removal of a software package failed." It's getting really annoying.
Also whenever I try to sudo apt-get upgrade, this happens at the end:
"Fetched 240 MB in 5min 39s (708 kB/s)
Extracting templates from packages: 100%
Preconfiguring packages ...
dpkg: error: configuration error: /etc/dpkg/dpkg.cfg.d/multiarch:1: unknown option 'sudo'
cups failed to preconfigure, with exit status 2
dpkg: error: configuration error: /etc/dpkg/dpkg.cfg.d/multiarch:1: unknown option 'sudo'
dpkg: error: configuration error: /etc/dpkg/dpkg.cfg.d/multiarch:1: unknown option 'sudo'
E: Sub-process /usr/bin/dpkg returned an error code (2)"
Last,but not least, whenever I try to install Adobe Flash by selecting "Install missing plugins" it says it fails. Please Help.