Fix Windows Update 404 Not Found Error When Antivirus Interferes - Remove BitLocker Cache Without Recovery Key-PowerShell Connection Timeout Fix Guide

Updated 2026-06-14 15:03:38security-tools
Fix Windows Update 404 Not Found Error When Antivirus Interferes - Remove BitLocker Cache Without Recovery Key-PowerShell Connection Timeout Fix Guide
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.