I am seeing this error just after logging into the desktop. It's fairly consistent. The Crash Report says it's a duplicate of this bug and as requested in comment #17 I'm pasting in the log file;
unifex@shipnet:~$ cat /var/log/unattended-upgrades/unattended-upgrades.log 2014-03-02 07:45:46,181 INFO Initial blacklisted packages: 2014-03-02 07:45:46,182 INFO Starting unattended upgrades script 2014-03-02 07:45:46,182 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-02 07:45:51,652 INFO No packages found that can be upgraded unattended 2014-03-03 08:05:33,897 INFO Initial blacklisted packages: 2014-03-03 08:05:33,897 INFO Starting unattended upgrades script 2014-03-03 08:05:33,897 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-03 08:05:36,136 INFO No packages found that can be upgraded unattended 2014-03-04 07:50:56,392 INFO Initial blacklisted packages: 2014-03-04 07:50:56,393 INFO Starting unattended upgrades script 2014-03-04 07:50:56,393 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-04 07:51:12,370 INFO Packages that will be upgraded: libapache2-mod-php5 libpython2.7 libpython2.7-minimal libpython2.7-stdlib libpython3.3 libpython3.3-minimal libpython3.3-stdlib php5 php5-cli php5-common php5-curl php5-gd php5-pgsql php5-readline php5-sqlite php5-tidy php5-xmlrpc php5-xsl python2.7 python2.7-minimal python3.3 python3.3-minimal 2014-03-04 07:51:12,371 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-04_07:51:12.371119.log' 2014-03-04 07:51:33,340 INFO All upgrades installed 2014-03-05 07:38:57,599 INFO Initial blacklisted packages: 2014-03-05 07:38:57,600 INFO Starting unattended upgrades script 2014-03-05 07:38:57,600 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-05 07:39:01,022 INFO Packages that will be upgraded: libgnutls-openssl27 libgnutls26 2014-03-05 07:39:01,023 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-05_07:39:01.022910.log' 2014-03-05 07:39:02,914 INFO All upgrades installed 2014-03-06 07:40:42,826 INFO Initial blacklisted packages: 2014-03-06 07:40:42,826 INFO Starting unattended upgrades script 2014-03-06 07:40:42,827 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-06 07:40:44,952 INFO No packages found that can be upgraded unattended 2014-03-07 08:04:19,711 INFO Initial blacklisted packages: 2014-03-07 08:04:19,712 INFO Starting unattended upgrades script 2014-03-07 08:04:19,712 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-07 08:04:26,248 INFO Packages that will be upgraded: icedtea-6-plugin icedtea-netx icedtea-netx-common linux-generic linux-headers-generic linux-image-generic linux-libc-dev 2014-03-07 08:04:26,248 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-07_08:04:26.248516.log' 2014-03-07 08:05:58,466 ERROR Installing the upgrades failed! 2014-03-07 08:05:58,467 ERROR error message: 'installArchives() failed' 2014-03-07 08:05:58,467 ERROR dpkg returned a error! See '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-07_08:04:26.248516.log' for details 2014-03-08 07:47:33,188 INFO Initial blacklisted packages: 2014-03-08 07:47:33,189 INFO Starting unattended upgrades script 2014-03-08 07:47:33,189 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-08 07:47:38,452 INFO Packages that will be upgraded: imagemagick imagemagick-common libmagickcore5 libmagickcore5-extra libmagickwand5 2014-03-08 07:47:38,452 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-08_07:47:38.452426.log' 2014-03-08 07:47:56,844 ERROR Installing the upgrades failed! 2014-03-08 07:47:56,845 ERROR error message: 'installArchives() failed' 2014-03-08 07:47:56,846 ERROR dpkg returned a error! See '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-08_07:47:38.452426.log' for details 2014-03-09 08:02:40,084 INFO Initial blacklisted packages: 2014-03-09 08:02:40,084 INFO Starting unattended upgrades script 2014-03-09 08:02:40,085 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-09 08:02:42,335 INFO No packages found that can be upgraded unattended 2014-03-10 07:47:49,431 INFO Initial blacklisted packages: 2014-03-10 07:47:49,432 INFO Starting unattended upgrades script 2014-03-10 07:47:49,432 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-10 07:47:51,534 INFO No packages found that can be upgraded unattended 2014-03-11 07:39:03,484 INFO Initial blacklisted packages: 2014-03-11 07:39:03,484 INFO Starting unattended upgrades script 2014-03-11 07:39:03,485 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-11 07:39:07,431 INFO Packages that will be upgraded: libudisks2-0 udisks udisks2 2014-03-11 07:39:07,431 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-11_07:39:07.431218.log' 2014-03-11 07:39:28,923 ERROR Installing the upgrades failed! 2014-03-11 07:39:28,924 ERROR error message: 'installArchives() failed' 2014-03-11 07:39:28,924 ERROR dpkg returned a error! See '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-11_07:39:07.431218.log' for details 2014-03-12 07:36:51,969 INFO Initial blacklisted packages: 2014-03-12 07:36:51,970 INFO Starting unattended upgrades script 2014-03-12 07:36:51,970 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-12 07:36:54,150 INFO No packages found that can be upgraded unattended 2014-03-13 07:38:25,868 INFO Initial blacklisted packages: 2014-03-13 07:38:25,869 INFO Starting unattended upgrades script 2014-03-13 07:38:25,869 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-13 07:38:31,996 INFO Packages that will be upgraded: cups-browsed cups-filters flashplugin-installer libcupsfilters1 libfontembed1 libssh-4 2014-03-13 07:38:31,997 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-13_07:38:31.996716.log' 2014-03-13 07:39:07,432 ERROR Installing the upgrades failed! 2014-03-13 07:39:07,433 ERROR error message: 'installArchives() failed' 2014-03-13 07:39:07,434 ERROR dpkg returned a error! See '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-13_07:38:31.996716.log' for details 2014-03-14 07:57:18,262 INFO Initial blacklisted packages: 2014-03-14 07:57:18,263 INFO Starting unattended upgrades script 2014-03-14 07:57:18,263 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-14 07:57:21,055 INFO Packages that will be upgraded: sudo 2014-03-14 07:57:21,056 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-14_07:57:21.055532.log' 2014-03-14 07:57:23,833 INFO All upgrades installed 2014-03-15 07:52:34,354 INFO Initial blacklisted packages: 2014-03-15 07:52:34,355 INFO Starting unattended upgrades script 2014-03-15 07:52:34,355 INFO Allowed origins are: ['o=Ubuntu,a=saucy-security'] 2014-03-15 07:52:37,815 INFO Packages that will be upgraded: mutt mutt-patched 2014-03-15 07:52:37,816 INFO Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-03-15_07:52:37.815691.log' 2014-03-15 07:52:41,492 INFO All upgrades installed ** Changed in: unattended-upgrades (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1052360 Title: unattended-upgrade crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2) for an unknown reason To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1052360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs