When I launch firefox I get a seachya search bar.
It sounds like you have a third party program that has taken over your search engine, home page, and/or the default new tab page. Fortunately, this can be remedied easily:
After Firefox restarts, install the Search Reset Tool. This will remove the rest of the traces of this program from your Firefox.
For further information, please read Remove a toolbar that has taken over your Firefox search or home page.
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If you do not keep changes after a restart then see: