(Important after an update to the software.)
1. Open the browser that you use (Internet Explorer, Chrome, etc…)
2. Press ctrl + shift + delete to open the delete/clear browsing data window. You only need to check “Temporary Internet files and website files” in IE and “Cached images and files” in Chrome, everything else can be unchecked. In Chrome make sure you set the time to beginning of time.
4. The press delete/clear browsing data.
5. Refresh the page.