
Instead, open regedit and ensure the "DisableProtectedAudioDG" registry fix is still present. You may be asked to install unsigned drivers. Nota: Antivirus may detect patcher.exe as a virus, so you may need to exclude patcher.exe from Antivirus. You will have to manually select each file to patch and run the patcher multiple times to patch all matching files. They begin with "rltkAPO64.dll, rltkAPO.dll" and may be in "win32" and "win64" subfolders of the Realtek package. The target filenames are listed on the patcher window.

Now, scroll down and expand the Sound, video and game controllers menu. Uninstall your existing Realtek drivers with Display Driver Uninstaller (DDU) and reboot. First of all, right-click on the start menu and open Device Manager.Guide to enable Dolby Digital Live and/or DTS Interactive:
