Hi Sum Gye, Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both Cookies and the Cache. Note: This will temporarily log you out of all sites you're logged in to. To clear Cache and Cookies for a specific site, do the following: 1. Navigate to the site. 2. Click on the padlock icon at the left end of the address bar. 3. At the bottom select Clear Cookies and Site Data... If the page does not refresh automatically, click the Reload icon on your toolbar.