Ensure is selected as your active playback device. Audio Crackling or Stuttering
This indicates a resource conflict or an incompatible architecture sub-version. Completely uninstall the driver, reboot, and attempt to install using an alternative Windows 8 or Windows 7 64-bit package. Cmi8738 Driver Windows 11 64 Bit
Point it to the folder of your downloaded Windows 10/8 64-bit driver . Ensure is selected as your active playback device
Right-click the "Unknown Device" or "Multimedia Audio Controller." Select > Browse my computer for drivers . Cmi8738 Driver Windows 11 64 Bit
Windows 11 enforces strict driver signing requirements and utilizes a different audio architecture (Universal Audio Architecture) compared to the Windows XP/7 era where the CMI8738 thrived.