The chatroom says that sometimes webpages put a toolbar on the webpage that stays as you scroll and that could be causing the issue. Clear the browser cache. Leo also suggests using the Chrome Browser instead.
She also wanted to thank Leo for letting her know about FoxFi, which can turn an Android device into a hotspot for free with no root. Leo says that it may not work with the latest version of Android, but her Excite tablet isn't running the latest software, so it's still working for Terri.