If you do the offer TVApp or others, sometimes your browser gets hijacked. Not sure how to completely remove it besides a re install.

Even after uninstalling the programs downloaded such as TVApp or whatever, some crap always lingers.

Try this, fucking sweet little tool just wish I could download it.

Found on this page, scroll down a bit: (Solved) Remove Dosearches.com from Internet Explorer, Chrome, FirefoxTech Support All

HERE IT IS:

http://www.techsupportall.com/Adware-Removal-Tool.exe

The problem now that I remember was www.do searchers.com or some shit. very bothersome and ugly to have on IE. This tool removed it quick. Again, not sure if it is just a cover up or a completely removed now.