(Reading database ... 246443 files and directories currently installed.)
Unpacking skype (from skype-ubuntu_4.0.0.7-1_amd64.deb) ...
dpkg: error processing skype-ubuntu_4.0.0.7-1_amd64.deb (--install):
 trying to overwrite '/etc/dbus-1/system.d/skype.conf', which is also in package skype-bin:i386 2.2.0.35-0precise3
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 skype-ubuntu_4.0.0.7-1_amd64.deb