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"My start search" (search engine) is not removing

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A search engine of http://www.mystartsearch.com is always becoming the default search engine. I am removing it and selecting google for default search engine but "My start search" is always becoming the default search engine. Please help me to remove the "My start search" permanently.

A search engine of http://www.mystartsearch.com is always becoming the default search engine. I am removing it and selecting google for default search engine but "My start search" is always becoming the default search engine. Please help me to remove the "My start search" permanently.

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I believe you need to clean up much more than just your Firefox settings. Here's my suggested procedure for tracking down and cleaning up unwanted add-ons and other sources of ads. I know it seems long, but it's not that bad.

(A) Open the Windows Control Panel, Uninstall a Program. After the list loads, click the "Installed on" column heading to group the infections, I mean, additions, by date. This can help in smoking out undisclosed bundle items that snuck in with some software you agreed to install. Be suspicious of everything you do not recognize/remember, as malware often uses important or innocent sounding names to discourage you from removing it. Take out as much trash as possible here.

  • Especially be on the lookout for MyStart, SearchProtect, and any Spigot programs

(B) Open Firefox's Add-ons page using either:

  • Ctrl+Shift+a
  • "3-bar" menu button (or Tools menu) > Add-ons
  • in the Windows "Run" dialog, type or paste
    firefox.exe "about:addons"

In the left column, click Plugins. Set nonessential and unrecognized plugins to "Never Activate".

In the left column, click Extensions. Then, if in doubt, disable (or Remove, if possible) unrecognized and unwanted extensions. Bear in mind that all extensions are optional, none come with Firefox.

Often a link will appear above at least one disabled extension to restart Firefox. You can complete your work on the tab and click one of the links as the last step.

Any improvement?

(C) You can search for remaining issues with the scanning/cleaning tools listed in our support article: Troubleshoot Firefox issues caused by malware. These on-demand scanners are free and take considerable time to run. If they finish quickly and especially if they require payment, you may have a serious infection. I suggest the specialized forums listed in the article in that case.

Can you regain control of your Firefox settings?