ZoneAlarm makes software compatible(?) with the operating system.
Just not as compatible as it could be.
Only ZoneAlarm fitted pcs had any issue. all other firewalls and all other software types passed straight through.
If you add something to your car that causes problems with the makers scheduled maintainence, is it Ford GMH Subaru or Mercedes's fault.
Motor manufacturers issue a set of recommendations for tyres fuel oil replacement parts servicing, not always the latest tech, or biggest bang
then it is up to the owner to ensure that what the owner does works with the vehicle.
It is always up to the owner to ensure that what the owners do works.