If a page fails to load or you experience difficulties signing in to your account, it can be caused by your web browser cache (temporary browsing data for helping pages load more quickly the next time you access them). Clearing your cache will most likely resolve the issue.
Before clearing your cache, close all other webpages. Keeping a webpage open will prevent it from being cleared from your cache, and prevent solving the issue.
To clear your cache: Visit the help section for your web browser for specific instructions.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.