There have been reports from clients that they cannot update their Ubertor site from the Control Panel, i.e. unable to reorder listing photos, unable to upload a file, or unable to edit/update a page content. Some reports say that a site page may look totally different on their end.
Why some site pages don’t work properly or look incorrect on Internet Explorer 9?
Microsoft didn’t exactly give the reason why this is happening but they provided an online guide for troubleshooting here : http://windows.microsoft.com/en-US/windows7/why-do-some-webpages-look-incorrect-in-internet-explorer-9