Clearing your internet browser's cache and cookies can solve common website problems. It'll sign you out of any sites you're currently logged in to.
To clear cache and cookies in Chrome:
- Click the '3 vertical dots' at the top right of the browser
- Click 'More tools' then 'Clear browsing data...'
- Choose a time range (If you want to clear everything, select 'All time')
- Check 'Cookies and other data' and 'Cached images and files'
- Click 'Clear data'