The following NEW packages will be installed:
  mozilla-browser
0 upgraded, 1 newly installed, 0 to remove and 117 not upgraded.
33 not fully installed or removed.
Need to get 0B/9890kB of archives.
After unpacking 30.2MB of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
  mozilla-browser
Authentication warning overridden.
Preconfiguring packages ...
(Reading database ... 129593 files and directories currently installed.)
Unpacking mozilla-browser (from .../mozilla-browser_2%3a1.7.12-1.1ubuntu2_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/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:
 /var/cache/apt/archives/mozilla-browser_2%3a1.7.12-1.1ubuntu2_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
RESULT=100