I noticed that granville1 has this problem (As do I, occasionally) and I think I know how to prevent it. It happens to me when I post and leave (or refresh) the page and click the back button. Then when explorer says “cannot refresh this page” etc. I choose “retry” which redoes what I’ve just done, leaving a double. I find after successfuly posting, to view your post again, go to directly to the forum. Clicking to go back and “retrying” (or refreshing) doubles. I don’t know if this is the same way anyone else gets this problem, but maybe there’s a clue for you in here 😉