Thank you for taking the time to report this issue and help to improve Ubuntu. The errors in the logfile are:
Unpacking replacement ubuntu-sso-client ...
dpkg: error processing /var/cache/apt/archives/plymouth-label_0.8.2-2ubuntu23_i386.deb (--unpack):
cannot access archive: No such file or directory
dpkg: error processing /var/cache/apt/archives/plymouth_0.8.2-2ubuntu23_i386.deb (--unpack):
cannot access archive: No such file or directory
dpkg: error processing /var/cache/apt/archives/libplymouth2_0.8.2-2ubuntu23_i386.deb (--unpack):
cannot access archive: No such file or directory
Preparing to replace language-selector-gnome 0.33 (using .../language-selector-gnome_0.34.1_all.deb) ...
Missing files in /var/cache/apt are not bugs in the named packages. There may be a bug in apt somewhere causing unexpected clean-up of files, or a network error may have prevented the packages from being downloaded as expected; but it's not a bug in plymouth.
Thank you for taking the time to report this issue and help to improve Ubuntu. The errors in the logfile are:
Unpacking replacement ubuntu-sso-client ... apt/archives/ plymouth- label_0. 8.2-2ubuntu23_ i386.deb (--unpack): apt/archives/ plymouth_ 0.8.2-2ubuntu23 _i386.deb (--unpack): apt/archives/ libplymouth2_ 0.8.2-2ubuntu23 _i386.deb (--unpack): selector- gnome 0.33 (using .../language- selector- gnome_0. 34.1_all. deb) ...
dpkg: error processing /var/cache/
cannot access archive: No such file or directory
dpkg: error processing /var/cache/
cannot access archive: No such file or directory
dpkg: error processing /var/cache/
cannot access archive: No such file or directory
Preparing to replace language-
Missing files in /var/cache/apt are not bugs in the named packages. There may be a bug in apt somewhere causing unexpected clean-up of files, or a network error may have prevented the packages from being downloaded as expected; but it's not a bug in plymouth.