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Home / windows-fixes / Windows 11 Update Stuck at 0% in Safe Mode: How to Fix - How to Fix Missing Env Variables in npm Build-Troubleshoot Windows Defender Real-Time Protection Not Starting

Windows 11 Update Stuck at 0% in Safe Mode: How to Fix - How to Fix Missing Env Variables in npm Build-Troubleshoot Windows Defender Real-Time Protection Not Starting

Updated 2026-07-28 09:51:20windows-fixes
Windows 11 Update Stuck at 0% in Safe Mode: How to Fix - How to Fix Missing Env Variables in npm Build-Troubleshoot Windows Defender Real-Time Protection Not Starting
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.