Nokia-N900:~# apt-get install python-pygame Reading package lists... Done Building dependency tree Reading state information... Done python-pygame is already the newest version. python-pygame set to manually installed. You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: python-pygame: Depends: libsdl-ttf2.0 (>= 2.0.9) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Nokia-N900:~# apt-get install libsdl-ttf2.0 Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: libsdl-ttf2.0 0 upgraded, 1 newly installed, 0 to remove and 16 not upgraded. 2 not fully installed or removed. Need to get 0B/13,5kB of archives. After this operation, 77,8kB of additional disk space will be used. (Reading database ... 48590 files and directories currently installed.) Unpacking libsdl-ttf2.0 (from .../libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb) ... dpkg: error processing /var/cache/apt/archives/libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb (--unpack): trying to overwrite `/usr/lib/libSDL_ttf-2.0.so.0.6.3', which is also in package libsdl-ttf2.0-0 Errors were encountered while processing: /var/cache/apt/archives/libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb E: Sub-process /usr/bin/dpkg returned an error code (1)