Firefox is a very smart web browser . Many user use this as their default browser . Sometimes in windows or others , some software installation force it to change its default search engine . Then whenever you try to write keywords in the url input field and try to find , it will search by some unusual and useless search engine rather than Google or bing or yahoo or other . You can set it back .
First try this :
- Type about:config into the location bar and press enter
- Accept the warning message that appears, you will be taken to a list of preferences
- In the filter box type keyword to bring up a small number of preferences
- Right-click on the preference keyword.URL and choose Reset to set it back to Google
If not fixed , then Try This :
In Firefox type about:config in the address bar and press ENTER.
Search for Keyword
Locate and double-click the entry for keyword.URL
Modify it by add the below set of values :