Unavailability of exclusive access

What is DXGI_ERROR_NONEXCLUSIVE?

The DXGI_ERROR_NONEXCLUSIVE error is categorized as a medium-severity graphics API (DirectX) issue that can significantly impact your PC's stability. An application is trying to gain exclusive access to the screen, but another program already has it. When experiencing the Unavailability of exclusive access fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as background applications (recording, overlay) and error in window manager (dwm). To permanently resolve the DXGI_ERROR_NONEXCLUSIVE issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your graphics API (DirectX) components are functioning correctly.

Common Causes

• Background applications (recording, overlay)
• Error in window manager (DWM)

Step-by-Step Fix Guide

• 1
  Close background apps

  Applying the first fix (Close background apps) addresses the most common root cause of DXGI_ERROR_NONEXCLUSIVE and restores baseline functionality.

• 2
  Restart the Desktop Window Manager service

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to directx instability are covered.

Commands & Diagnostics