I went to therokuchannel.roku.com, searched for "War Of the Worlds", selected HG WELL'S WAR OF THE WORLDS, went an hour ahead, turned on closed captions, and verified that this is an issue with this movie and it's not related to you. Perhaps (because I haven't done this myself), the best way to go about reporting this is to go to support.roku.com, select "Channels & viewing," select "I don't see my product here" (you may have to click that twice if nothing happens) and then you'll see "Chat with us." I didn't go beyond this so I'm not sure what happens next, but I would think a chat box would come up and you could talk directly to a representative (or chatbot). Show this link (remove the "()" from "https://" -- had to do that so it wouldn't create a link):
(https://)community.roku.com/t5/Channels-viewing/on-ROKU-CHANNEL-another-movie-with-Closed-Captioning-is-out-of-sync-by-almost-exactly-1-hour/td-p/1059522
which directs them to this thread to show that you're not the only one who has this issue on their Roku Channel website when using a computer. Hope Roku can fix this for you. Sorry I can't be any more helpful.
