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Fix Windows Security 404 Not Found on Startup - Microsoft Store Migration Checklist for IT Admins-Safe Mode BitLocker Key Rejected Fix

2026-06-13 16:55:30
Fix Windows Security 404 Not Found on Startup - Microsoft Store Migration Checklist for IT Admins-Safe Mode BitLocker Key Rejected Fix

Result check

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