Select Tools > Options
Enabling/Deleting Cookies and Enabling Active Logins
- Select the Privacy Tab
- Select “Use custom settings for history” from the “Firefox will” drop down list
- “Accept Cookies from sites" should be enabled
- Click on Show Cookies
- Click on Remove All Cookies
- Click on Close
- "Clear history when Firefox closes" should be enabled
- Click on Settings
- "Active Logins" should be enabled
- Click on OK
Clear Cache
- Select Advanced and then Network
- Click on the "Clear Now" buttton to clear the cache
- Click on OK
Restart your browser, to apply the new settings.