hi all, i am using win. xp and my internet explorer has stopped working suddenly. Whenever i try to open a website, a dialogue box pops up saying that 'the requested lookup key was not found in the activation context" .. my computer has also started behaivng a little slower. i have attached my logfile. kindly see it and advice me what to do. thanks a ton in advance. hi all, i haven't got any reply. please help me. i am facing a lot of trouble. thanks in advance. prakhar