Ensure your audio output is set to 48000Hz (DVD Quality) in Windows Sound Settings.
The name is obscure enough to be a deliberate obfuscation tactic. In thousands of documented support cases, cryptic alphanumeric executables running from AppData or Temp folders are almost never benign. CODB02-rpk.exe
If you actually have this on your drive, stop running it immediately. Ensure your audio output is set to 48000Hz