See:

• [/questions/937170]

You have to uninstall toolbars and other programs that got installed recently. Check your control panel for new programs first, and then look and the your FireFox settings for anything hao-related. Some programs like adwcleaner, etc might fix the hijack automatically
Appropriate link
AdwCleaner: http://www.bleepingcomputer.com/downl.../adwcleaner/
_{added by a moderator ~J99}

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

• Microsoft Safety Scanner
• MalwareBytes' Anti-Malware
• TDSSKiller - AntiRootkit Utility
• 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!

Hi, this hijack is related to Qvod player from http://www.kuaibo.com/, you have to go to its options and uncheck the hao123 related one.

Go to Firefox ---> Options ---> Options ---> Privacy ---> Change "Remember History" to "Use Customs Settings for history" ---> Exceptions - Select "hao123" - Remove site ---> Close ---> Problem Solved

Well, actually it is simple.. 1.open your qvod player.. 2. go to setting -> option 3. go to Others tab and uncheck set kuaibo website as navigator homepage

That all. hope will help you all =)