Possible Mal-Ware Scan For Macs {web link}

Windows; Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.

You can try these free programs to scan for malware, which work with your existing antivirus software:

• Microsoft Safety Scanner
• MalwareBytes' Anti-Malware
• Anti-Rootkit Utility - TDSSKiller
• AdwCleaner (for more info, see this alternate AdwCleaner download page)
• Hitman Pro
• ESET Online Scanner

Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.

Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Did this fix your problems? Please report back to us!

See this - http://malwaretips.com/blogs/offers4u-virus-removal/

Thankyou. With your help I have resolved the problem.

Hello,

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution more easily.

Thank you for contacting Mozilla Support.

The blog that Edmeister gave me was very helpful. I ran all the scans and the Malware bytes seemed to work the best. The blog was very informative and gave me step by step instructions.

This is one of the most common symptom of adware infection that you get some double underlined words on your web page and when you move you mouse cursor over there, you will get redirected to some completely unknown webpage.

Its not the end. This kind of redirection could also bring other threats and malware on your system. SO you need to remove this adware soon from your PC. But the Good News is You can remove this threat manually from your PC.

You have to remove the threat related extensions from your browser and and reset your browser. Click here to get the removal help :- <removed spam link>