Originally Posted by free

If you are sure of yourself, you have to tell dpkg to force overwritting files.

Code:

dpkg --force-overwrite -i packagename.deb

This is a very common error.

Another way to do it, directly from apt-get:

Code:

apt-get -o DPkg::Options::="--force-overwrite" install packagename

Removing the conflicting file doesn't help because the list of files is stored somewhere.