*Edit:
Forget it, it's fixed now. Yesterday i tried
(without arguments) and it didn't work. Today it did.
I still don't know why it doesn't like the -R argument. Whatever. Thanks for your help anyways. I leave here the logs just in case someone is curious.
This are from mintUpdate.history
2015.06.04 14:36:05 libqt4-opengl 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:05 libqt4-declarative 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:05 libqt4-qt3support 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:05 libqt4-xmlpatterns 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:05 libqtcore4 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:05 libqt4-sql-sqlite 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-sql 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-svg 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-xml 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-network 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-designer 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqtgui4 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015.06.04 14:36:06 libqt4-script 3 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
This are from dpkg.log
2015-06-04 14:37:38 startup archives unpack
2015-06-04 14:37:42 upgrade libqt4-qt3support 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:42 status half-configured libqt4-qt3support 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:43 status unpacked libqt4-qt3support 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:43 status half-installed libqt4-qt3support 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:44 status half-installed libqt4-qt3support 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:44 status unpacked libqt4-qt3support 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:44 status unpacked libqt4-qt3support 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:44 upgrade libqt4-designer 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:44 status half-configured libqt4-designer 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:44 status unpacked libqt4-designer 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:45 status half-installed libqt4-designer 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:46 status half-installed libqt4-designer 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:46 status unpacked libqt4-designer 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:46 status unpacked libqt4-designer 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:47 upgrade libqt4-opengl 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:47 status half-configured libqt4-opengl 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:47 status unpacked libqt4-opengl 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:47 status half-installed libqt4-opengl 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:47 status half-installed libqt4-opengl 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:47 status unpacked libqt4-opengl 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:47 status unpacked libqt4-opengl 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:48 upgrade libqt4-svg 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:48 status half-configured libqt4-svg 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:48 status unpacked libqt4-svg 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:48 status half-installed libqt4-svg 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:48 status half-installed libqt4-svg 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:49 status unpacked libqt4-svg 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:49 status unpacked libqt4-svg 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:49 upgrade libqtgui4 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:49 status half-configured libqtgui4 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:49 status unpacked libqtgui4 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:49 status half-installed libqtgui4 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:51 status half-installed libqtgui4 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:51 status unpacked libqtgui4 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:51 status unpacked libqtgui4 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:51 upgrade libqt4-declarative 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:51 status half-configured libqt4-declarative 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:52 status unpacked libqt4-declarative 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:52 status half-installed libqt4-declarative 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:52 status half-installed libqt4-declarative 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:52 status unpacked libqt4-declarative 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:52 status unpacked libqt4-declarative 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:53 upgrade libqt4-xmlpatterns 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:53 status half-configured libqt4-xmlpatterns 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:53 status unpacked libqt4-xmlpatterns 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:53 status half-installed libqt4-xmlpatterns 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:54 status half-installed libqt4-xmlpatterns 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:54 status unpacked libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:54 status unpacked libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:54 upgrade libqt4-network 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:54 status half-configured libqt4-network 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:55 status unpacked libqt4-network 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:55 status half-installed libqt4-network 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:55 status half-installed libqt4-network 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:55 status unpacked libqt4-network 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:55 status unpacked libqt4-network 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:56 upgrade libqt4-script 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:56 status half-configured libqt4-script 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:56 status unpacked libqt4-script 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:56 status half-installed libqt4-script 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:56 status half-installed libqt4-script 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:56 status unpacked libqt4-script 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:57 status unpacked libqt4-script 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:57 upgrade libqt4-sql-sqlite 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:57 status half-configured libqt4-sql-sqlite 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:57 status unpacked libqt4-sql-sqlite 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:57 status half-installed libqt4-sql-sqlite 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:57 status half-installed libqt4-sql-sqlite 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:57 status unpacked libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:57 status unpacked libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:58 upgrade libqt4-sql 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:58 status half-configured libqt4-sql 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:58 status unpacked libqt4-sql 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:58 status half-installed libqt4-sql 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:58 status half-installed libqt4-sql 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:58 status unpacked libqt4-sql 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:58 status unpacked libqt4-sql 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:59 upgrade qdbus 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:37:59 status half-configured qdbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:59 status unpacked qdbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:59 status half-installed qdbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:59 status triggers-pending man-db 2.6.1-2ubuntu2
2015-06-04 14:37:59 status half-installed qdbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:37:59 status half-installed qdbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:00 status unpacked qdbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:00 status unpacked qdbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:00 upgrade libqt4-dbus 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:00 status half-configured libqt4-dbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:00 status unpacked libqt4-dbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:00 status half-installed libqt4-dbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:01 status half-installed libqt4-dbus 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:01 status unpacked libqt4-dbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:01 status unpacked libqt4-dbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:01 upgrade libqt4-xml 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:01 status half-configured libqt4-xml 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:02 status unpacked libqt4-xml 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:02 status half-installed libqt4-xml 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:02 status half-installed libqt4-xml 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:02 status unpacked libqt4-xml 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:02 status unpacked libqt4-xml 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:03 upgrade libqtcore4 4:4.8.1-0ubuntu4.8 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:03 status half-configured libqtcore4 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:03 status unpacked libqtcore4 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:03 status half-installed libqtcore4 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:04 status half-installed libqtcore4 4:4.8.1-0ubuntu4.8
2015-06-04 14:38:04 status unpacked libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:05 status unpacked libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:05 trigproc man-db 2.6.1-2ubuntu2 2.6.1-2ubuntu2
2015-06-04 14:38:05 status half-configured man-db 2.6.1-2ubuntu2
2015-06-04 14:38:10 status installed man-db 2.6.1-2ubuntu2
2015-06-04 14:38:12 startup packages configure
2015-06-04 14:38:12 configure libqtcore4 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:12 status unpacked libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:12 status unpacked libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:12 status half-configured libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:12 status installed libqtcore4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:12 status triggers-pending libc-bin 2.15-0ubuntu10.12
2015-06-04 14:38:12 configure libqt4-xml 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:12 status unpacked libqt4-xml 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:12 status half-configured libqt4-xml 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 status installed libqt4-xml 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 configure libqt4-dbus 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:13 status unpacked libqt4-dbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 status half-configured libqt4-dbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 status installed libqt4-dbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 configure libqt4-script 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:13 status unpacked libqt4-script 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 status half-configured libqt4-script 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 status installed libqt4-script 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:13 configure libqt4-network 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:13 status unpacked libqt4-network 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status half-configured libqt4-network 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status installed libqt4-network 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 configure libqt4-sql 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:14 status unpacked libqt4-sql 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status half-configured libqt4-sql 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status installed libqt4-sql 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 configure libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:14 status unpacked libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status half-configured libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 status installed libqt4-xmlpatterns 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:14 configure libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:14 status unpacked libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status half-configured libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status installed libqt4-sql-sqlite 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 configure qdbus 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:15 status unpacked qdbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status half-configured qdbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status installed qdbus 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 configure libqt4-declarative 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:15 status unpacked libqt4-declarative 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status half-configured libqt4-declarative 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status installed libqt4-declarative 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 configure libqtgui4 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:15 status unpacked libqtgui4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:15 status half-configured libqtgui4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 status installed libqtgui4 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 configure libqt4-designer 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:16 status unpacked libqt4-designer 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 status half-configured libqt4-designer 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 status installed libqt4-designer 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 configure libqt4-qt3support 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:16 status unpacked libqt4-qt3support 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 status half-configured libqt4-qt3support 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 status installed libqt4-qt3support 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:16 configure libqt4-opengl 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:16 status unpacked libqt4-opengl 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 status half-configured libqt4-opengl 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 status installed libqt4-opengl 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 configure libqt4-svg 4:4.8.1-0ubuntu4.9 <none>
2015-06-04 14:38:17 status unpacked libqt4-svg 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 status half-configured libqt4-svg 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 status installed libqt4-svg 4:4.8.1-0ubuntu4.9
2015-06-04 14:38:17 trigproc libc-bin 2.15-0ubuntu10.12 <none>
2015-06-04 14:38:17 status half-configured libc-bin 2.15-0ubuntu10.12
2015-06-04 14:38:18 status installed libc-bin 2.15-0ubuntu10.12