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Home / macos-help / Fix OneDrive Sync Proxy Server Network Error - Fix 'File in Use by Another Process' Error in PowerShell-How to Fix OneDrive Sync Error 504 Gateway Timeout

Fix OneDrive Sync Proxy Server Network Error - Fix 'File in Use by Another Process' Error in PowerShell-How to Fix OneDrive Sync Error 504 Gateway Timeout

2026-06-17 02:38:52macos-help
Fix OneDrive Sync Proxy Server Network Error - Fix 'File in Use by Another Process' Error in PowerShell-How to Fix OneDrive Sync Error 504 Gateway Timeout

Final checklist

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