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Unfortuently Sorry for that, When I open a new tab or open firefox then uncertified Browser or content is show. And then when I remove from setting, show again.

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  • Last reply by cor-el

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When open a new tab the just show Istartsurf Browser. I know This is non certified Browser. When I remove this from setting option to Search option and then remove. Then restart. But when open again Firefox then show again. Please How can solve this problem.

When open a new tab the just show Istartsurf Browser. I know This is non certified Browser. When I remove this from setting option to Search option and then remove. Then restart. But when open again Firefox then show again. Please How can solve this problem.
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You can look at the browser.newtab.url pref on the about:config page and set that pref to the URL of your preferred new tab page. You can use these special pages or set the pref to the URL of your preferred new tab page.

  • the default new tab page with the tiles is about:newtab
  • the default home page is about:home
  • for a blank page you can use about:blank

The browser.newtabpage.enabled pref should be set to true to use the page set via browser.newtab.url as the new tab page.

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.


Do a malware check with several malware scanning programs on the Windows computer.

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure that you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.

See also: