The real error is this one:
Preparing to replace libqt4-xmlpatterns 4:4.7.4-0ubuntu8 (using .../libqt4-xmlpatterns_4%3a4.7.4-1ubuntu3_amd64.deb) ...
Unpacking replacement libqt4-xmlpatterns ...
dpkg: error processing /var/cache/apt/archives/libqt4-xmlpatterns_4%3a4.7.4-1ubuntu3_amd64.deb (--unpack):
'./usr/share/doc/libqt4-xmlpatterns/changelog.Debian.gz' is different from the same file on the system
Preparing to replace libqt4-network:i386 4:4.7.4-0ubuntu8 (using .../libqt4-network_4%3a4.7.4-1ubuntu3_i386.deb) ...
Unpacking replacement libqt4-network:i386 ...
dpkg: error processing /var/cache/apt/archives/libqt4-network_4%3a4.7.4-1ubuntu3_i386.deb (--unpack):
'./usr/share/doc/libqt4-network/changelog.Debian.gz' is different from the same file on the system
The real error is this one:
Preparing to replace libqt4-xmlpatterns 4:4.7.4-0ubuntu8 (using .../libqt4- xmlpatterns_ 4%3a4.7. 4-1ubuntu3_ amd64.deb) ...
Unpacking replacement libqt4-xmlpatterns ...
dpkg: error processing /var/cache/ apt/archives/ libqt4- xmlpatterns_ 4%3a4.7. 4-1ubuntu3_ amd64.deb (--unpack):
'./usr/ share/doc/ libqt4- xmlpatterns/ changelog. Debian. gz' is different from the same file on the system
Preparing to replace libqt4-network:i386 4:4.7.4-0ubuntu8 (using .../libqt4- network_ 4%3a4.7. 4-1ubuntu3_ i386.deb) ...
Unpacking replacement libqt4-network:i386 ...
dpkg: error processing /var/cache/ apt/archives/ libqt4- network_ 4%3a4.7. 4-1ubuntu3_ i386.deb (--unpack):
'./usr/ share/doc/ libqt4- network/ changelog. Debian. gz' is different from the same file on the system