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Fix PowerShell Authentication Failed Credentials Error - PowerShell 404 Error: Diagnosis and Fixes-Fix Microsoft Store Permission Denied Error

2026-06-16 14:48:20windows-fixes
Fix PowerShell Authentication Failed Credentials Error - PowerShell 404 Error: Diagnosis and Fixes-Fix Microsoft Store Permission Denied 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.