BitLocker Access Denied on System Volume: How to Fix - How to Resolve Windows Activation Failed to Start Setup-Resolve PowerShell File Access Errors – Locked or Denied

Updated 2026-06-13 21:34:33developer-tools
BitLocker Access Denied on System Volume: How to Fix - How to Resolve Windows Activation Failed to Start Setup-Resolve PowerShell File Access Errors – Locked or Denied
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.