IE prob

Question

i have 2 browsers mozilla and IEwin open IEi write www.google.com it redirect me to mozilla and open it in mozillawhen removed mozilla and opened IE it say : app is not available i tried to reinstall IE ...nothing happened i tried to remove it and i could not do it even i tried to re install it by the command rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 C:windowsinfie.infbut it didnt eaven work my lap top is fujitsu siemens amiloPro V3405heeeeeeeeeelp