Unpacking ttf-mscorefonts-installer (from .../ttf-mscorefonts-installer_3.3ubuntu4_all.deb) ...
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing /var/cache/apt/archives/ttf-mscorefonts-installer_3.3ubuntu4_all.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1