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

Fix Nginx Config Test Not Working After Editing nginx.conf

You've edited nginx.conf, run nginx -t to test, and it fails or produces no output. ...

PowerShell Command Not Found but Works in CMD

FFmpeg Audio Out of Sync: Practical Troubleshooting Guide

You encoded a video with FFmpeg, but the audio drifts or starts early/late. This guide covers the...

Fix Windows Activation Token Expired via Command Line

If you see a message that your Windows activation token has expired, the system may refuse to act...

Sync Windows Updates with Ubuntu Dual Boot

If you dual-boot Windows and Ubuntu, you might notice that after booting into Ubuntu, the time in...

Fix OneDrive Sync Not Connecting After Update

After a Windows or Office update, OneDrive may stop syncing and show errors like "Can't connect t...