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Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot - How to Replace Cloudflare Origin Cert with Let's Encrypt-Fix Edge Sync Not Working After Update

Updated 2026-07-28 11:07:56office-tools
Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot - How to Replace Cloudflare Origin Cert with Let's Encrypt-Fix Edge Sync Not Working After Update
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.