Fix VSCode Remote SSH Permission Denied for Known Hosts - Resolve Outlook 'File in Use' Errors from Antivirus-Windows Defender Cache Too Large – How to Clean

Updated 2026-06-15 20:59:16windows-fixes
Fix VSCode Remote SSH Permission Denied for Known Hosts - Resolve Outlook 'File in Use' Errors from Antivirus-Windows Defender Cache Too Large – How to Clean
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.