@dsayers2014 , @Jonpickles70 , just installed latest Vix version and ipvanish is working with unmodified config files.
Config file with certificate added did not work, but was worth a try as we were at a loss so it is openatv 7.3 problem.
Config file with certificate added did not work, but was worth a try as we were at a loss so it is openatv 7.3 problem.