How to Fix Cloudflare DNS Not Resolving on Windows - How to Fix Outlook Port 993 Already in Use Error-Fix Chrome Sync File Locked Error

Updated 2026-06-14 19:37:08macos-help
How to Fix Cloudflare DNS Not Resolving on Windows - How to Fix Outlook Port 993 Already in Use Error-Fix Chrome Sync File Locked Error
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.