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Fix Error 0x80070080 When Windows Update Stuck - Resolve Cloudflare 521 Error – Server and Proxy Guide-Git Merge Refusing Unrelated Histories Solution

2026-07-28 10:01:27
Fix Error 0x80070080 When Windows Update Stuck - Resolve Cloudflare 521 Error – Server and Proxy Guide-Git Merge Refusing Unrelated Histories Solution

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

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