How To Repair Apc-Index-Mismatch Window 8.1?

How To Repair Apc-Index-Mismatch Window 8.1? Solution 1: Install the Latest Updates. Solution 2: Check System Files with System File Checker. Solution 3: Update the Driver or Reinstall the Driver. Solution 4: Disable Realtek HD Audio Manager from Starting. Solution 5: Reset or Reinstall Windows. What causes APC index mismatch? A common cause for the