Try clearing out your browser's cache/browsing history. When you have done that, close out the browser and re-start it in a fresh session. If that doesn't do it, then try using a different browser.
Hello, dire_wolf44. Welcome to the Xfinity Forums.
I'm glad to hear you were able to figure out what was causing the troubles with your email. Since this issue has been solved I am closing this thread to further comments. If you ever need help again in the future, please don't hesitate to start a new thread.