Each time I do a fresh launch of Firefox, I get pop-up tabs prompting me to enable my add-ons (and even the default theme as well), all as separate tabs. Whether I enable them or not, I still get the same pop-ups the next time I launch the browser. I have tried enabling and disabling add-ons through the add-ons manager, but I still get the prompts. If I enable the add-ons, they DO work as long as I do not shut the browser down. I am getting this issue on two separate computers.