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Home / security-tools / How to Add Folder Exclusions in Windows Defender - BitLocker Network Unlock Not Working: Steps to Resolve-How to Recover from a Black Screen After Windows Update

How to Add Folder Exclusions in Windows Defender - BitLocker Network Unlock Not Working: Steps to Resolve-How to Recover from a Black Screen After Windows Update

Updated 2026-06-19 00:08:59security-tools
How to Add Folder Exclusions in Windows Defender - BitLocker Network Unlock Not Working: Steps to Resolve-How to Recover from a Black Screen After Windows Update
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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