When I open new tab, do-search always appear then move to http://govome.inspsearch.com/, not my homepage. How to remove this stuffs?

Hi,

This article will help you to reset yout home page How to set the home page .

Hope this helps!

type about:config in URL

and filter browser.newtab.url and change the value to "about:newtab"

Hello,

I am glad to hear that your problem has been resolved.

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I hope you continue using our products and thank you for contacting Mozilla Support.

In addition to cleaning up your Firefox settings and add-ons, you also should check the icon you use to start Firefox. Some malware will modify the shortcut to launch a page instead of or in addition to your home page.

right-click the icon on your desktop > Properties > Shortcut tab

Look at the "Target" line. It should be just the following on Windows XP:

"C:\Program Files\Mozilla Firefox\firefox.exe"

If you find a web address or other things after that, remove them.