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

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

Symptom

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

Fix Windows Update Error 0x800f081f with System File Checker

Windows Update error 0x800f081f typically appears when the update component or system files are c...

How to Fix Chrome Black Screen After Turning Off Hardware Acceleration

If you turned off hardware acceleration in Chrome and now see a black screen, you're not alon...

How to Fix Nginx 502 Bad Gateway in Docker Compose

If you're running an application with Docker Compose and Nginx as a reverse proxy, a 502 Bad ...

Windows Defender Real-Time Protection Troubleshooting Checklist

If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

How to Enable Network Discovery for Shared Folder Access

When you can't see other computers in File Explorer's Network section, or you get an erro...