Mozilla Firefox - Browser Troubleshooting

How to enter Private Mode

1. Open Firefox.
2. Click the menu button and then click New Private Window.
   
3. A new private window will open. To check if you're in a private window, look for the purple and white mask icon at the top-right of the window.

You can also use a keyboard shortcut to open an Private window:

• Windows, Linux, or Chrome OS: Press Ctrl + Shift + P.
• Mac: Press ⌘ + Shift + P.

How to clear Cache & Cookies

1. Open Firefox.
2. Click the menu button and choose Options.
   
3. On the menu to the left, select Privacy & Security.
   
4. Under the Cookies and Site Data option, click the "Clear Data..." button.
   
5. In the Cached Web Content section, click Clear. You may get a small pop-up window for confirmation. If you do, click Clear Now.
   
6. Quit (don't just close) your browser and reopen it. Any changes you've made will automatically be saved. Your cache and cookies will be successfully cleared.