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Fix OBS Black Screen and Permission Denied on Windows 11 - Windows Defender Registry Repair Guide for Failed Start-How to Resolve Windows Backup Error 0x80070001

Updated 2026-06-13 13:24:27cloud-software
Fix OBS Black Screen and Permission Denied on Windows 11 - Windows Defender Registry Repair Guide for Failed Start-How to Resolve Windows Backup Error 0x80070001
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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