tik@tik-laptop:~/Downloads$ sudo dpkg -r --force-all jre1.8.0-45
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: package is in a very bad inconsistent state; you should
 reinstall it before attempting a removal
(Reading database ... 273885 files and directories currently installed.)
Removing jre1.8.0-45 (1.8.045-1) ...
/var/lib/dpkg/info/jre1.8.0-45.postrm: line 586: /usr/sbin/alternatives: No such file or directory
dpkg: error processing package jre1.8.0-45 (--remove):
 subprocess installed post-removal script returned error exit status 127
Errors were encountered while processing:
 jre1.8.0-45
tik@tik-laptop:~/Downloads$