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Fix Windows Security High Memory Usage (MsMpEng.exe) - Fix 0x80070424 Microsoft Store Login Loop-How to Resolve Error 0x80070005 on Windows 11

Updated 2026-06-15 09:46:44developer-tools
Fix Windows Security High Memory Usage (MsMpEng.exe) - Fix 0x80070424 Microsoft Store Login Loop-How to Resolve Error 0x80070005 on Windows 11
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.