GitHub Actions Workflow Fails With No Error Message - Windows Activation Authentication Failed: Fixes That Work-How to Fix Access Denied Error in Windows Defender Folder Scan

Updated 2026-06-13 21:32:21cloud-software
GitHub Actions Workflow Fails With No Error Message - Windows Activation Authentication Failed: Fixes That Work-How to Fix Access Denied Error in Windows Defender Folder Scan
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.