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#11
I managed to get rid of the Realtek driver on my system without disabling all driver updates.
1. Go to the Device Manager, go to the properties of the audio device, go to the Driver tab, and click Roll Back Driver. This will keep Windows from automatically reinstalling it on reboot, but it won't stop Windows Update from installing it. It should also give you a generic Microsoft audio driver that works perfectly fine, or at least it did on my laptop.
2. Use the Show/Hide Updates tool mentioned in thoraster's post: https://support.microsoft.com/en-us/kb/3073930