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Fix Windows Update Authentication Failed Due to Group Policy - How to Fix Windows Security Stuck on Loading Screen-Windows Defender Real-Time Protection Keeps Enabling: Solutions

2026-06-13 14:12:54
Fix Windows Update Authentication Failed Due to Group Policy - How to Fix Windows Security Stuck on Loading Screen-Windows Defender Real-Time Protection Keeps Enabling: Solutions

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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