Practical software fixes, setup guides, and tool workflows.

Fix Microsoft Store 504 Gateway Timeout & Network Issues

When you see a 504 Gateway Timeout error in the Microsoft Store, it usually mean...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...

Fix Microsoft Teams Screen Sharing Not Working on Ubuntu

Screen sharing in Microsoft Teams on Ubuntu often fails silently—your audience sees a black scree...

How to Clear Microsoft Store Cache in Windows

If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Microsoft Teams 404 Error: Causes and Fixes

When you see a 404 error in Microsoft Teams, it usually means the app can't find a specific resou...