package libtcl8.6 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libtcl8.6.so.0', which is also in package tcl8.6-lib:amd64 8.6.0-1ubuntu1

[Tobiasz Jarczyk]

Got this apport window when upgrading with update-manager.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libtcl8.6 (not installed)
ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
Uname: Linux 3.12.0-7-generic x86_64
ApportVersion: 2.12.7-0ubuntu3
Architecture: amd64
Date: Thu Jan 2 13:49:55 2014
DuplicateSignature: package:libtcl8.6:(not installed):trying to overwrite '/usr/lib/x86_64-linux-gnu/libtcl8.6.so.0', which is also in package tcl8.6-lib:amd64 8.6.0-1ubuntu1
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/libtcl8.6.so.0', which is also in package tcl8.6-lib:amd64 8.6.0-1ubuntu1
InstallationDate: Installed on 2013-10-15 (78 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131015)
SourcePackage: tcl8.6
Title: package libtcl8.6 (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libtcl8.6.so.0', which is also in package tcl8.6-lib:amd64 8.6.0-1ubuntu1
UpgradeStatus: Upgraded to trusty on 2013-11-05 (58 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.