Ahh, your disk drive is failing. You can see all of the media errors in dmesg and this resulted in the filesystem going to read-only mode.
** Changed in: gparted (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/826261 Title: package gparted 0.6.2-1ubuntu1 failed to install/upgrade: imposible eliminar de forma segura «/target/usr/sbin/gparted.dpkg-tmp»: Sistema de solo lectura To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gparted/+bug/826261/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs