I have a small forum running XenForo 1.2.1 and a user that has recently upgraded his computer to Windows 8.1 and is using MSN Internet to access email and also uses the built-in browser of MSN Internet. He can surf the site with no issue, but when he wants to reply to a thread or create a new thread the only fields that seem to work is the Subject and Poll fields. The main box to type his message is a lighter color and the entire toolbar is missing as well (see attached image). Downloading Google Chrome, the user can access the site fully with no problems. However he'd rather use the MSN browser as that's primarily what he uses day to day. Any suggestions? Thanks!