[quote=RWJ23kwqho]Thanks for the quick reply but I don't know how to start Firefox in safe mode since, as I mentioned, when I right click on any icon including Firefox, nothing happens.[/quote] 1. Which computer are you using? 2. What Operating System (OS) are you using? 3. If you are using Linux which distro? 4. Do you know how to use the terminal? 5. What happens when you right click on an open part of the desktop?