I updated to firefox 13 and now firefox is using ask .com as url search.?

Favorite Answer

http://www.pcworld.com/article/249158/how_to_change_your_browsers_default_search_engine.html

"Changing the Default Search Engine in Firefox

1. Click the icon of your current default search engine on the left side of the search toolbar. Click the icon of your desired search engine on the left side of the browser toolbar.Click the icon of your desired search engine on the left side of the browser toolbar.

2. Select a search provider from the drop-down list. The one you choose instantly becomes your new default.

If you click Manage Search Engines… in the drop-down list, you can rearrange and delete entries from the existing list. You can also find additional search engines.

1. Click the Get more search engines… link.

2. Browse or search for the provider you want to add. When you find it, click its +Add to Firefox button."

- Dominic...Show more