Something

dpkg: error processing /media/cdrom//pool/mozilla-browser_2%3a1.7.12-1.1ubuntu2_i386.deb (--unpack):
 trying to overwrite `/usr/share/doc/mozilla-browser/localstart.html', which is also in package mepis-auto-6.0
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /media/cdrom//pool/mozilla-browser_2%3a1.7.12-1.1ubuntu2_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)