Here is the update for this issue. Not sure what happened for one week, but the issue is gone apparently.
Terminal log ==================================================================== sudo apt-get install libatk-adaptor [sudo] password for anfas: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libatk-adaptor-schemas The following NEW packages will be installed: libatk-adaptor-schemas The following packages will be upgraded: libatk-adaptor 1 upgraded, 1 newly installed, 0 to remove and 77 not upgraded. Need to get 0 B/123 kB of archives. After this operation, 32.8 kB of additional disk space will be used. Do you want to continue [Y/n]? (Reading database ... 254057 files and directories currently installed.) Preparing to replace libatk-adaptor 2.2.1-0ubuntu1 (using .../libatk-adaptor_2.4.0-1ubuntu2_i386.deb) ... Unpacking replacement libatk-adaptor ... Unpacking libatk-adaptor-schemas (from .../libatk-adaptor-schemas_2.4.0-1ubuntu2_i386.deb) ... Processing triggers for libglib2.0-0 ... Setting up libatk-adaptor (2.4.0-1ubuntu2) ... Setting up libatk-adaptor-schemas (2.4.0-1ubuntu2) ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/981140 Title: package libatk-adaptor-schemas (not installed) failed to install/upgrade: trying to overwrite '/usr/share/glib-2.0/schemas/org.a11y.atspi.gschema.xml', which is also in package libatk-adaptor 2.2.1-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at-spi2-atk/+bug/981140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs