Knowledge base for software setup, errors, and daily tool work.

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...

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 Windows Search Dependency Conflict Error 0x80070002

If you see error 0x80070002 when using Windows Search, it usually means a file or dependency is m...

Fix Windows Activation Error After Hardware Change

You've just swapped out your motherboard, CPU, or other major hardware, and now Windows shows an ...

Fix Chrome Not Working with Proxy on Ubuntu

You configured a proxy in Ubuntu, but Chrome ignores it or throws connection errors. This often h...

Task Scheduler SSL Certificate Troubleshooting Steps

When a scheduled task fails to run or connect to a remote resource, an SSL certificate problem is...