1. Click "Menu" button and select "Options".
2. Select the "Privacy and Security" panel.
3. In the Cached Web Content section, click "Clear Now" button.
4. Close the about: preferences page. Any changes made will be saved automatically.

1. Click "Menu" button and select "Options".
2. Select the "Privacy and Security" panel.
3. In the Cached Web Content section, click "Clear Now" button.
4. Close the about: preferences page. Any changes made will be saved automatically.