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Their is no option to home page for new tab?

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I also installed one software and after that every new tab of firefox opens "Mystart by incredibar" page. I want remove that but their is no option available to set it.

moderator removed spam link
Forum rules and guidelines

I also installed one software and after that every new tab of firefox opens "Mystart by incredibar" page. I want remove that but their is no option available to set it. ''moderator removed spam link'' <br /> ''[https://support.mozilla.com/en-US/kb/Forum+and+chat+rules+and+guidelines Forum rules and guidelines]''

Modified by the-edmeister

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In order to uninstall a possibly unwanted extension, please do the following:

  1. From the Firefox window click the Firefox button at the top left and select Add-ons, or, if the Firefox button is not shown, click the Tools menu and click Add-ons.
  2. Once the Add-on Manager has opened in a new tab, click the Extensions button on the left side of the window.
  3. You should now see a list of your installed extensions on the right side together with buttons on the right side of each extension.
  4. To remove an extension from Firefox, simply click the Remove button. You should see a message that informs you about the successful removal of the add-on.
  5. Note that some add-ons require a Firefox restart to be removed completely. To perform a Firefox restart after the add-on removal, click the Restart now link in the message.

You can find further information about uninstalling extensions in the following articles:

Disable or remove Add-ons

Remove a toolbar that has taken over your Firefox search or home page