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

Fix Chrome Black Screen with Hardware Acceleration and Zoom

If you're seeing a black screen in Chrome after zooming in or out, especially with hardware a...

Fix Windows Defender Error 0x800704ec: Real-Time Protection

If you see error code 0x800704ec when turning on Windows Defender real-time protection, the servi...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

How to Fix Cloudflare Origin Certificate Validation Failed

If you see a "validation failed" error when setting up or using a Cloudflare Origin Certi...

Chrome Black Screen on Windows? Fix Hardware Acceleration in 2024

If Chrome shows a black screen, especially after an update or while watching video, hardware acce...

Understanding Git Merge Conflict Markers: A Practical Guide

When you merge branches in Git, you may encounter conflict markers in your files. These markers s...