Windows 11 Update KB2267602 screwed up my PC, Need assistance uninstalling update!

Troubleshooting Windows 11 Update KB2267602 Causing Display Issues: A Technical Guide

Introduction

Windows updates are essential for system security and performance enhancements. However, occasionally, specific updates can introduce unforeseen issues affecting user experience. Recently, some Windows 11 users have reported significant problems following the installation of Security Intelligence Update for Microsoft Defender Antivirus—specifically, KB2267602. This article explores the problem, the troubleshooting steps undertaken, and provides guidance for resolving such update-related issues.

Understanding the Issue

The KB2267602 update is designed to improve Microsoft Defender Antivirus’s security capabilities. Nevertheless, some users have experienced adverse effects, such as monitors turning black during gaming sessions. This problem appears to be isolated but impactful, prompting users to seek effective solutions to remove or disable problematic updates.

Chronology of Troubleshooting Efforts

1. Initial Identification:
   The culprit was identified after troubleshooting efforts, revealing that KB2267602 caused monitors to go black during gameplay.

2. Uninstallation Attempts:

3. Using Command Line with Wusa:
   The Windows Update Standalone Installer (wusa.exe) was utilized via Command Prompt to uninstall the update, but this method did not resolve the issue.
4. Safe Mode Removal:
   The update was also attempted to be uninstalled while in Safe Mode, which similarly proved unsuccessful.
5. Viewing Windows Recovery Environment (WinRE):
   Efforts to uninstall the latest feature and quality updates within WinRE faced errors; notably, attempts to remove the recent feature update were unsuccessful.

6. Restoring Previous System State:
   Restoring the system to a prior restore point helped remove the update from the uninstall section but did not prevent the update from being re-installed automatically.

7. Reinstallation and Automatic Updates:
   Despite disabling Windows automatic updates, the system reinstalled KB2267602 automatically, causing monitors to blackout once again during gaming.

Challenges Faced

• The persistent reinstallation of the update, despite manual and system restore efforts.
• The removal options becoming unavailable after subsequent Windows updates.
• The need for advanced troubleshooting techniques to permanently remove or block problematic updates.

Recommended Strategies for Resolution

For users encountering similar issues, consider the following steps:

• Use of Troubleshooting Tools:
  Employ Windows Update Troubleshooter, available in Windows Settings, to detect and repair update-related problems.

• Block Specific Updates:
  Utilize tools like the **Show or