Fix Windows Defender Real-Time Protection Off via Registry - Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting-Fix Access Denied When Enabling Defender Real-Time Protection

Updated 2026-06-13 14:54:10windows-fixes
Fix Windows Defender Real-Time Protection Off via Registry - Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting-Fix Access Denied When Enabling Defender Real-Time Protection
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.