See this articles:

• https://support.mozilla.org/pt-BR/questions/968030
• https://support.mozilla.org/pt-BR/questions/977627

edit try using these links (entered as [/questions/nnnnnn] ) instead

• /questions/968030
• /questions/977627

The links will display in the locale forum you are using and are shorter links.

• see also /questions/980691#answer-515236 about linking KB articles

John

EDIT: Thanks John for the help

Note just changing the search engine selected in the search box on the right of the address bar may solve some of your problems.

You will need to remove any rogue software. (You may have already done that I see no conduit plugin listed in your System details aside.) The addon searchreset should then be able to sort out any changes that were made. Note that installs, changes settings and uninstalls itself.

• https://addons.mozilla.org/firefox/addon/searchreset/
• Remove a toolbar that has taken over your Firefox search or home page

Some users have been changing registry settings, but afaik that is NOT required,assuming you have got rid of all the rogue software.

If you do not keep changes after a restart or otherwise have problems with preferences, see:

• http://kb.mozillazine.org/Preferences_not_saved

You can also check the Windows Control Panel for recently installed suspicious programs.

I have just post about it for "how to remove conduit" you can go to this link and can learn the instructions to ^{edit by a forum moderator. Please do not post links to sites advertising & providing paid for support to remove malware. ~J99}

1. Go to "Menu Bar"
2. Click on "Options"
3. In "General tab" set your 'home page' (you want to be your default home page)
4. Click "OK"

Its done, kindly restart your browser.