How about disabling audio does that help?
My S3 seems to have similar issues as you describe and I swear it's drivers are stepping on each other. Display, Wifi & Audio in particular. also reinstalling the drivers does help but doesn't work forever you have to keep doing it although sometimes you get them aligned just right (by random luck) and it works for a long while. alas, this seems to be the fate of Windows, doomed to a Sisyphean like existence... pushing the stone uphill only to have it roll back to the bottom so you can start (or restart, reinstall) over again.