libqtcore4: подпроцесс/usr/bin/dpkg возвратил код ошибки (1) — “пытающийся перезаписать совместно использованный '/etc/xdg/Trolltech.conf'”

После обновления от 14 до 16 я теперь получаю это:

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Selecting previously unselected package libqtcore4:amd64.
(Reading database ... 282007 files and directories currently installed.)
Preparing to unpack .../libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb ...
Unpacking libqtcore4:amd64 (4:4.8.7+dfsg-5ubuntu2) ...
dpkg: error processing archive /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb (--unpack):
 trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Попытка удалить deb пакет приводит к этому:

sudo dpkg -i --force-overwrite  /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb
(Reading database ... 282007 files and directories currently installed.)
Preparing to unpack .../libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb ...
Unpacking libqtcore4:amd64 (4:4.8.7+dfsg-5ubuntu2) ...
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
dpkg: dependency problems prevent configuration of libqtcore4:amd64:
 libqtcore4:amd64 depends on qtcore4-l10n; however:
  Package qtcore4-l10n is not configured yet.

dpkg: error processing package libqtcore4:amd64 (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 libqtcore4:amd64