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Fix Cloudflare 521 Error: DNS Configuration Problem - Fix Node Version Incompatible with Dependencies-VS Code Terminal Not Using Python Virtual Environment

2026-07-28 18:54:57
Fix Cloudflare 521 Error: DNS Configuration Problem - Fix Node Version Incompatible with Dependencies-VS Code Terminal Not Using Python Virtual Environment

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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