#sudo sed -i -e 's/archive.ubuntu.com\|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list #sudo apt-get update
for FILE in *.png; do sudo convert $FILE -define png:format=png24 $FILE; done
#sudo cp -arf /var/lib/dpkg /var/lib/dpkg.backup^C
(just copy and paste)
This is good information, but it is not a tutorial but rather a fix to a problem an thus should be posted in the forums to help.