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

Fix Command Prompt Blank Screen After Windows 11 Update

After a Windows 11 update, you might open Command Prompt and see only a blank window with no prom...

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...

Remote Desktop Performance Checklist for IT Admins

When a user reports that their remote desktop session is lagging or disconnecting frequently, the...

Fix Chrome Profile Authentication Failed Error via Registry

You try to sign into a site in Chrome, and you get an error like "Profile authentication failed" ...

Fix Windows Defender Dependency Conflict Error

If you see a Windows Defender error about a dependency conflict, it usually means a required serv...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...