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How to Fix PowerShell Blank Screen on Startup - Fix Windows Activation Error 0x8007007b-How to Fix Remote Desktop Certificate Errors in Windows 10

Updated 2026-06-13 21:50:38office-tools
How to Fix PowerShell Blank Screen on Startup - Fix Windows Activation Error 0x8007007b-How to Fix Remote Desktop Certificate Errors in Windows 10
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.