You shouldn't see this, but if you do, you need to clear your cache. You can find instructions on the links below:
Firefox: https://support.mozilla.org/en-US/kb/how-clear-firefox-cache
Internet Explorer 9: http://windows.microsoft.com/en-us/windows7/how-to-delete-your-browsing-history-in-internet-explorer-9
Opera: http://help.opera.com/Windows/12.10/en/cache.html
Chrome: https://support.google.com/chrome/answer/95582?hl=en
We don't warrant the instructions, and they might be different depending on your browser version and your operating system.
If you have questions:
Doug is primarily posting at daw
Thomas is primarily posting at tomgianniniesq