Thank you for your bug report. The error is here:
update-alternatives: error: alternative path /usr/bin/firefox doesn't exist.
dpkg: error processing firefox (--configure):
subprocess installed post-installation script returned error exit status 2
This is caused by Ubuntuzilla. Please report your bug to them instead
Thank you for your bug report. The error is here:
update- alternatives: error: alternative path /usr/bin/firefox doesn't exist.
dpkg: error processing firefox (--configure):
subprocess installed post-installation script returned error exit status 2
This is caused by Ubuntuzilla. Please report your bug to them instead