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Python Requests Timeout Not Waiting: Fixes and Checks - Windows 11 Installation Assistant Stuck at 99% Due to Antivirus-Resolve Cloudflare 521 Server Down Error

2026-07-28 07:29:58browser-issues
Python Requests Timeout Not Waiting: Fixes and Checks - Windows 11 Installation Assistant Stuck at 99% Due to Antivirus-Resolve Cloudflare 521 Server Down Error

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.

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