Outlook for Ubuntu Setup Checklist - Resolve System Error 1326 in Net Use-Resolve 'err tunnel connection failed' on Android Chrome
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.
Related Software Guides
Fix Windows Terminal Backup Restore Failures
Fix Remote Desktop Dependency Conflict Not Working
Command Prompt Troubleshooting Checklist for Windows
Windows Store App Downloads Not Starting – Fixes That Work
Chrome Profile Error Setup Guide: Fix Corrupt Profiles
Fix Microsoft Store Error 0x80073cf0 When Updating Apps