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Fix PowerShell 'Authentication Failed Permission Denied' Error - Ubuntu Security: Alternatives to Windows Defender-Windows Terminal Proxy Settings Not Saving: Practical Fixes

2026-06-13 17:47:05
Fix PowerShell 'Authentication Failed Permission Denied' Error - Ubuntu Security: Alternatives to Windows Defender-Windows Terminal Proxy Settings Not Saving: Practical Fixes

Result check

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