compability checker for add ons always when I start Firefox 14.0.1

I updated from Firefox 13.0.1 to 14.0.1 and every time I start Firefox I get a window that checks for compatibility of add ons then when Firefox loads up it opens two tabs, one is the welcome page and the othr is my home page

↓ Show more ↑ Show less
  • All posts
  • Helpful Solutions
  • solution
  • post
  • owner