Removing ubuntu-fan (0.12.13) ...
/var/lib/dpkg/info/ubuntu-fan.prerm: 5: fanctl: not found
/var/lib/dpkg/info/ubuntu-fan.prerm: 25: fanctl: not found
dpkg: error processing package ubuntu-fan (--remove):
 installed ubuntu-fan package pre-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping