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Fixing Cloudflare 521 Error: Origin Unreachable - VSCode JavaScript Autocomplete Not Working Fix-Resolve Git Authentication Failure in Visual Studio Code

2026-07-28 15:20:42
Fixing Cloudflare 521 Error: Origin Unreachable - VSCode JavaScript Autocomplete Not Working Fix-Resolve Git Authentication Failure in Visual Studio Code

Result check

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

Next references

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