You have received a possible solution on the Comodo forum: *http://forums.comodo.com/virusmalware-removal-assistance/httpflvtubesearchco-has-hijacked-my-browserhow-do-get-rid-of-it-t64977.0.html;msg457594 *See list of free malware scanners below *Try that solution and post back here to let us know if that worked. It could be a help for other Firefox users with the same problem. Thanks. '''Do a thorough scan for malware'''<br /> Download, install and update as many of the following as possible until your infections are cleaned. #The '''<u>free versions</u>''' of these scanners will detect infections and clean your system; no need to purchase #'''<u>Different malware scanners detect some malware that other scanners do not.</u>''' #If you are unable to download the malware programs, #* change the name of the installer program before saving the download to your hard drive, and #* once installed, go to the installation folder for the program and change the name of the program executable file (i.e., for Malwarebytes Anti-Malware, change mbam.exe to xyz-mb.exe), then update the program and run the scan. #* you may need to download on an un-infected computer, change the name of the installer program, copy the installer to a CD or USB thumb drive, and transport to your system for installation. #Some stubborn malware will need to be removed in '''Windows Safe Mode with Networking'''. See: #*http://www.pbcomp.com.au/using-windows-safe-mode.html #*http://www.malwarehelp.org/restart-into-safe-mode-how-to-2010.html *Malwarebytes' Anti-Malware - http://www.malwarebytes.org/mbam.php *SuperAntispyware - http://www.superantispyware.com/ *AdAware - http://www.lavasoftusa.com/software/adaware/ *Spybot Search & Destroy - http://www.safer-networking.org/en/index.html *Windows Defender - http://www.microsoft.com/windows/products/winfamily/defender/default.mspx *Dr. Web Cureit - http://www.freedrweb.com/cureit/ If these don't find or can't clear the infection(s), post in one of these forums for specialized malware removal help: #Read and follow their rules for posting #Follow their instructions '''to the letter''' #Be patient; you are put in a queue and you will get a response when they get to your post *http://bleepingcomputer.com *http://www.spywareinfoforum.com/ *http://www.spywarewarrior.com/index.php *http://forum.aumha.org/

Thanks for your post,I followed the instructions supplied, I installed,and ran all the antispyware/malware programs listed.they didnot resolve the the problem,i had . After running all i was almost sure,i had know "invaders" as such. Then I had a brainwave to check about:config setting in fire fox, I navigated to- keyword.url ,right clicked and reset ,hey presto problem solved.