We'd love to help. First, please update your Firefox to Firefox 25 [[Update Firefox to the latest version]], this is critical before you continue to try to use Firefox. Then, reset Firefox [[Reset Firefox – easily fix most problems]]

You can use the searchreset tool and remove a possible user.js file, info in links below. * [[Troubleshoot Firefox issues caused by malware]] * [[What to do when searches take you to the wrong search website]] * [[How to fix preferences that won't save]] * [https://addons.mozilla.org/en-US/firefox/addon/searchreset/ Search Reset Tool]

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: * [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner] * [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware] * [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility] * [http://www.surfright.nl/en/hitmanpro/ Hitman Pro] * [http://www.eset.com/us/online-scanner/ ESET Online Scanner] [http://windows.microsoft.com/MSE 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!