DELL VOSTRO 1510 VISTA INTERNET EXPLORER 8,,PROTECTION MODE ON,AVIRA FREE VERSION ANTI VIRUS,DISC CLEANED AND DEFRAGED,CC CLEAN ,DRWEBCUREIT EXPRESS SCAN HAVENT FOUND ANYTHING,TUNE UP UTILITIES ,EVERY MOVE MAKE ON COMPUTER LIKE FROM ONE LINK /SITE TO ANOTHER ,IT FREEZES FOR HALF MINUTE AND SAYES ALL THE WAY TOP ON SCREEN ,INTERNET EXPLORER PROVIDED BY DELL NOT RESPONDING ,AND ALSO POP UP MICROSOFT WINDOWS ;INTERNET EXPLORER HAS STOPPED WORKING