Same error here when "sudo apt-get install kubuntu-desktop" :
Processing triggers for libglib2.0-0:amd64 (2.48.0-1ubuntu4) ...
Errors were encountered while processing:
/var/cache/apt/archives/kaccounts-providers_4%3a15.12.3-0ubuntu1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Same error here when "sudo apt-get install kubuntu-desktop" :
Processing triggers for libglib2.0-0:amd64 (2.48.0-1ubuntu4) ... apt/archives/ kaccounts- providers_ 4%3a15. 12.3-0ubuntu1_ amd64.deb
Errors were encountered while processing:
/var/cache/
E: Sub-process /usr/bin/dpkg returned an error code (1)