Your package database is outdated. Run this before trying to install blender: Code: sudo apt-get update Clicking "Reload" in Synaptic will do the same. Which image do you use? If you're using one of the older Debian Lenny/Squeeze-based images chances are that installing new software will break things. I suggest to use either my or (better) Estel's image, which are completely based on Debian Squeeze. I guess sigbert is right and /etc/groups is missing in my image. I remember tinkering with it. It might just have been at the time when I uploaded my image. Estel's image most likely suffers from the same problem since it's based on mine. I assume you mean k3b? It's the same reason as for the blender libs. Your package database want's to install a k3b version which is no longer in the repo. btw, just curious: Why would one install a disc burning software on a smartphone? Your locales are not installed in your image. To solve that run: Code: dpkg-reconfigure locales In the upcoming menu select all four of the ISO 8859-1and the UTF8 variants of en_US and en_IN As pointed out by sigbert the /etc/groups file, which handles all group settings is missing. Blender or some of its dependencies apparently want's to create a crontab entry (a task that is executed automatically at given times). To do that the user who runs this task must be a member of the crontab group. Since there are no group definitions at all we don't even have a crontab group, so we need to create it. That's what sigbert's command does.
sudo apt-get update
dpkg-reconfigure locales
btw, just curious: Why would one install a disc burning software on a smartphone?