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Fix Cloudflare 525 Error After SSL Certificate Update - Resolve Windows Defender Authentication Failure from File Corruption-Command Prompt Not Responding to Keyboard

2026-06-14 03:40:55
Fix Cloudflare 525 Error After SSL Certificate Update - Resolve Windows Defender Authentication Failure from File Corruption-Command Prompt Not Responding to Keyboard

Result check

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