xp' 'internet' 'dns

Hi all... I appealed to you because I have not found a solution. My config: P4/3.2Ghz/2M.Ram & XP/sp3 This configuration works wonder fully since 1997. First of all, I must tell you the story... Surroundings 15 days ago around 17:00 I extinguished the PC. Icome to 23h00 and turn on the PC...