@Russ Thanks for getting me started. Also meant to post commands must be URL encoded even though it isn't a URL. Verbal command would be something like "Alexa, turn Loft Lights 40 [percent]

@karnold69 I stopped using windows for my X10 control some time ago. But prior to that I know I had disabled windows driver updates and that solved issues with windows updates for me. Another option is to use software for X10 that doesn't use X10WTI CM15A drivers. Things that use Mochad or Mochad itself, or HomeGenie that has it's own drivers(which I use)