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Home / windows-fixes / Fix Command Prompt Proxy Error: Step-by-Step Checklist - How to Fix 'Outlook File Locked in Use by Another Process'-How to Fix OneDrive Bad Gateway 502

Fix Command Prompt Proxy Error: Step-by-Step Checklist - How to Fix 'Outlook File Locked in Use by Another Process'-How to Fix OneDrive Bad Gateway 502

Updated 2026-06-14 01:17:29windows-fixes
Fix Command Prompt Proxy Error: Step-by-Step Checklist - How to Fix 'Outlook File Locked in Use by Another Process'-How to Fix OneDrive Bad Gateway 502
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.