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Fix Windows Activation File Locked by Antivirus - How to Fix BitLocker Invalid Configuration Error-Fix Missing Windows Security App with PowerShell

Updated 2026-06-13 21:52:37office-tools
Fix Windows Activation File Locked by Antivirus - How to Fix BitLocker Invalid Configuration Error-Fix Missing Windows Security App with PowerShell
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.

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