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How to Fix Cloudflare 525 Error: Origin Server Troubleshooting - Fix Windows Defender Port Already Allocated Antivirus Conflict-Fix Java JDK Not Recognized in VS Code

2026-06-13 15:00:09
How to Fix Cloudflare 525 Error: Origin Server Troubleshooting - Fix Windows Defender Port Already Allocated Antivirus Conflict-Fix Java JDK Not Recognized in VS Code

Result check

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