Hi there - for anyone who has ended up at this question, looking for the error I first searched. The solution can be found here: https://discourse.ladybug.tools/t/honeybee-update-component-error-solution-exception-windowserror/8863
Chris has noted why this happens:
WHY
This issue is happening because we are restructuring the Plus plugin repositories to follow the format of all of our other Python repositories on github , so that we can distribute them more easily.
And - at the link above - you can find the solution (downloading an improved updater for Honeybee[+])