I am running Windows 7 Home Premium SP1. When firefox is running, and I click the "+" to add a tab, firefox launches yahoo in the new tab, instead of my home page. How do I correct this?
Here is a screenshot of the situation:
Firefox version is listed in this screenshot:
The New Tab Homepage extension had stopped working. I disabled it and then used both answers below as two concurrent steps. I used SearchReset @MrMAG linked in his answer, then used
about:config that @AthomSfere recommended to reconfigure the new tab homepage.