Fix Windows Defender Log File Access Denied Error - Firefox Not Responding: Causes and Quick Fixes-How to Add Self-Signed Certificate to Windows Terminal

Updated 2026-06-13 16:18:28macos-help

Fix Windows Defender Log File Access Denied Error - Firefox Not Responding: Causes and Quick Fixes-How to Add Self-Signed Certificate to Windows Terminal

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.