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Clear DNS and System Cache via Command Prompt - How to Fix High CPU Usage by Windows Defender in Windows 11-PowerShell Stuck at Sign In: Fix the Login Loop

2026-06-14 01:08:19
Clear DNS and System Cache via Command Prompt - How to Fix High CPU Usage by Windows Defender in Windows 11-PowerShell Stuck at Sign In: Fix the Login Loop

Result check

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