https://bugs.winehq.org/show_bug.cgi?id=41559
--- Comment #11 from Owen Rudge owen@owenrudge.net --- (In reply to Austin English from comment #9)
There's one small issue, though. It exits with an error, even when it did update the windows version:
A fix has now been committed (7b485dbf68e2ace921a59dcb50ef82d741fb8949). 0 will be returned on success, 1 if the version cannot be found.