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Fix 'fatal: refusing to merge unrelated histories' in Git - How to Fix ERR_CONNECTION_RESET When Firewall Blocks Chrome-VS Code GitHub Login Error: Authentication Failed

2026-07-28 15:33:01
Fix 'fatal: refusing to merge unrelated histories' in Git - How to Fix ERR_CONNECTION_RESET When Firewall Blocks Chrome-VS Code GitHub Login Error: Authentication Failed

Result check

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