Why is my Firefox not working?

Related questions

1. What is Mozilla Firefox good for?
2. Is Firefox the same as Google?
3. Is Google Chrome better than Firefox?
4. Which version of Firefox do I have?
5. Do I have Firefox?
6. Does Google own Firefox?
7. Is Edge better than Firefox?
8. Where are downloads Firefox?
9. Can I install two versions of Firefox?
10. How does Mozilla Firefox make money?

Tags

1. #error
2. #bookmarks
3. #files
4. #program
5. #which
6. #profiles
7. #settings
8. #caused
9. #stored
10. #mozilla
11. #solution
12. #passwords
13. #firefox
14. #problem
15. #folder
16. #remove
17. #other
18. #separate
19. #reinstall