Thank your for bug report but it does not appear to be a bug in ubuntu, in fact looking at your dmesg.txt
[ 531.549418] ata1.00: error: { UNC } It seems that your hdd is going to be bad soon or already You can learn more at http://ata.wiki.kernel.org/index.php/Libata_error_messages#ATA_error_expansion https://wiki.ubuntu.com/DebuggingInstallationIssues I am setting the bug to incomplete until you can update me about your bug ** Changed in: nautilus (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/661343 Title: package nautilus-data 1:2.30.1-0ubuntu1.1 failed to install/upgrade: short read on buffer copy for backend dpkg-deb during `./usr/share/pixmaps/nautilus/colors.png' -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs