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

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then sits there. No...

How to Check Docker Disk Space Usage

If you run Docker for a while, you may notice your disk space shrinking. Images, containers, volu...

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...

Chrome Startup Crash: Registry Fix Guide

If Chrome closes immediately after opening or shows a blank window before crashing, the problem i...

Fix npm install Permission Denied on Shared Hosting