Ако пък все още искаш да си с 10.10 , пишеш в терминал
sudo gedit /etc/apt/sources.list
и го правиш да изглежда така
# deb cdrom:[Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)]/ maverick main restricted
deb http://old-releases.ubuntu.com/ubuntu/ maverick main restricted
deb http://old-releases.ubuntu.com/ubuntu/ maverick-updates main restricted
deb http://old-releases.ubuntu.com/ubuntu/ maverick universe
deb http://old-releases.ubuntu.com/ubuntu/ maverick-updates universe
deb http://old-releases.ubuntu.com/ubuntu/ maverick multiverse
deb http://old-releases.ubuntu.com/ubuntu/ maverick-updates multiverse
deb http://old-releases.ubuntu.com/ubuntu/ maverick-security main restricted
deb http://old-releases.ubuntu.com/ubuntu/ maverick-security universe
deb http://old-releases.ubuntu.com/ubuntu/ maverick-security multiverse
след което пробвай да обновиш каквото може .
П.С. Въпреки , че това на снимката май е ЛинуксМинт , което е почти едно и също .