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Home / windows-fixes / Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Defender Offline Scan Not Working Windows 10-OneDrive DNS Error 0x8004de40: How to Fix

Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Defender Offline Scan Not Working Windows 10-OneDrive DNS Error 0x8004de40: How to Fix

2026-06-13 19:30:25windows-fixes
Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Defender Offline Scan Not Working Windows 10-OneDrive DNS Error 0x8004de40: How to Fix

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.