Static with Firefox opening couple more pages on start? firefox to mac os 9.2.5 shoes

How TO DOWNLOAD VIDEOS FROM ALL SIGHTS Through YOUTUBE for ...
in this video i will show u How TO DOWNLOAD VIDEOS FROM ALL SIGHTS INCLUDING YOUTUBE. (for FIREFOX users only!)
also u may want to fast onwards ...

Problems with Firefox opening couple more pages on start?

How can I fix Firefox browser because it opens everytime not only my homepage but 2 more pages from NoScript and Firefox modernize? I tried cleaning cache and everything I found. Still no ideea! Thanks!

Newsfirefox to mac os 9.2.5 shoes