OneDrive Sync Not Working Due to Proxy: Fixes - Fix Slow Outlook: Step-by-Step Checklist-How to Fix 'Access Is Denied' Error 5 in Command Prompt

Updated 2026-06-14 07:51:24developer-tools
OneDrive Sync Not Working Due to Proxy: Fixes - Fix Slow Outlook: Step-by-Step Checklist-How to Fix 'Access Is Denied' Error 5 in Command Prompt
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.