how to enable the default pdf viewer of firefox after installing acrobat 11?

I installed acrobat 11, and i dont like its pdf viewer add-on, so i want to switch back to firefox's default pdf viewe, but i cant change the action in the application option to preview in firefox. i also tried disabling the acrobat plugin.

Firefox 27, windows 8.1,

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