i have looked and looked for the missing mmdriver.inf missing from system 32. i looked on the computer , microsoft web site, manufacturer site. my computer is about 6 years old. i have had sound in the past, then lost sound don't know what happened. i have found web sites that want me to pay for the missing file. i don't know if that will be able to fix my problem. my computer is a dell looked on their web site and it was not available (mmdriver.inf). please please please please help iam desperate.