IE browser with an Ad pops up when I open FireFox browser.?

After I closed the IE, and start browsing on FireFox and few mins, the IE browser with an Ad pops up again. Does that mean I have a virus on my laptop? Or is there a file I can delete hidden in my laptop rather than format it?

THanks!

IE browser with an Ad pops up when I open FireFox browser.?microsoft word

that could be the messenger service that comes with windows, it's always on and it is cr ap as all spammers get to use it, to turn it off go to http://www.ebookorama.com/

look for %26gt;tools and download then %26gt; stop messenger

IE browser with an Ad pops up when I open FireFox browser.?windows movie maker internet explorer

More than likely it's spyware, run the program below and if you run into any problems I'd suggest you ask at a reputable support forum such as the ones I have listed under the program links

HijackThis 1.99.1

http://www.majorgeeks.com/download3155.h...

HijackThis Tutorial - How to use HijackThis to remove Browser Hijackers %26amp; Spyware

http://www.bleepingcomputer.com/tutorial...

HijackReader 1.03 Beta - This is a must to run the program on your own!

http://www.majorgeeks.com/HijackReader_d...

Reputable Support Forums

http://www.bleepingcomputer.com/forums/

http://www.geekstogo.com/forum/forums.ht...

http://forums.majorgeeks.com/index.php