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why has firefox changed my search engine without asking me and how do I undo the mess its made????


up on the update to firefox 6 the program has made unauthorised changes to my search settings and for some reson now every search i make is done though yahoo and seems to have synced its self to my email account with yahoo this is an unaccseptable thing for mozilla to do if this is not rectified emedatly i will remove all mozilla softwear from my pc's and advise all my friends to do so too

Additional System Details

This happened

Every time Firefox opened

This started when...

as of the 29/08/11

Installed Plug-ins

  • Shockwave Flash 10.3 r183
  • Next Generation Java Plug-in 1.6.0_26 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • McAfee MSC FF plugin DLL
  • 4.0.60531.0
  • NVIDIA 3D Vision plugin for Mozilla browsers
  • NVIDIA 3D Vision Streaming plugin for Mozilla browsers
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.0


  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0

More Information

  • Top 10 Contributor
  • Moderator
3197 solutions 24404 answers

McAfee updates recently have been surreptitiously installing a Yahoo Toolbar into Firefox. Check the Control Panel > Add & Remove and Addons > Extensions and get rid of it. It may masquerade as a "search" extension or program.