sudo dpkg --remove --force-all ntop
(Reading database ... 451011 files and directories currently installed.)
Removing ntop (3:5.0.1+dfsg1-2ubuntu1) ...
/etc/init.d/ntop: 3: /var/lib/ntop/init.cfg: Syntax error: Unterminated quoted string
invoke-rc.d: initscript ntop, action "stop" failed.
dpkg: error processing package ntop (--remove):
 subprocess installed pre-removal script returned error exit status 2
/var/lib/dpkg/info/ntop.config: 3: /var/lib/ntop/init.cfg: Syntax error: Unterminated quoted string
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 ntop