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

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 Update Stuck at 0% Downloading

You click 'Check for updates' and see 'Downloading 0%' for minutes or hours. This is a common fru...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fix Microsoft Teams DNS Configuration Errors: Step-by-Step

Users sometimes see errors like "Can't connect to Microsoft Teams" or "Sign-in error" when DNS se...

Fix Windows Defender Failed to Start: Registry Repair Steps

When you see “Windows Defender failed to start” or “Windows Defender service terminated unexpecte...

How to Reset Windows Terminal Profiles JSON to Default

If your Windows Terminal isn't opening, shows a blank screen, or has profile settings that are co...