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PowerShell Authentication Failed: Practical Fixes - How to Open Command Prompt as Admin in Windows 11-Fix ipconfig flushdns Not Working

2026-06-13 22:06:25
PowerShell Authentication Failed: Practical Fixes - How to Open Command Prompt as Admin in Windows 11-Fix ipconfig flushdns Not Working

Result check

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