How to Fix 'File Locked by Another Process' in Command Prompt - Resolve Outlook 'File in Use' Errors from Antivirus-Complete a Stuck Windows Update Installation

Updated 2026-06-14 13:10:48macos-help
How to Fix 'File Locked by Another Process' in Command Prompt - Resolve Outlook 'File in Use' Errors from Antivirus-Complete a Stuck Windows Update Installation
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.