This is what I got after trying to reinstall Virtualbox
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@lnx_web_server:/etc/init.d# sudo fuser /var/cache/debconf/config.dat
/var/cache/debconf/config.dat: 25862
root@lnx_web_server:/etc/init.d#
root@lnx_web_server:/etc/init.d# pstree -alps $pid 25862
init,1
└─frontend,25862 -w /usr/share/debconf/frontend /var/lib/dpkg/info/memtest86+.postinst configure 4.00-2ubuntu3
└─(memtest86+.post,25869)
root@lnx_web_server:/etc/init.d#
This is what I got after trying to reinstall Virtualbox
Processing was halted because there were too many errors. web_server: /etc/init. d# sudo fuser /var/cache/ debconf/ config. dat debconf/ config. dat: 25862 web_server: /etc/init. d# web_server: /etc/init. d# pstree -alps $pid 25862 debconf/ frontend /var/lib/ dpkg/info/ memtest86+ .postinst configure 4.00-2ubuntu3 ─(memtest86+ .post,25869) web_server: /etc/init. d#
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@lnx_
/var/cache/
root@lnx_
root@lnx_
init,1
└─frontend,25862 -w /usr/share/
└
root@lnx_