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

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix Chrome Black Screen During Videos: Hardware Acceleration

If you're watching a video in Chrome and the screen goes black (but audio continues), hardwar...

Fix Docker Pull Access Denied in CI/CD Pipeline

When a CI/CD pipeline fails with denied: requested access to the resource is denied ...

Fix npm install Permission Denied on Shared Hosting

Fix WiFi Connected But No Internet on Windows 11 Using Netsh

You connect to WiFi, see full bars, but websites won't load. This is common on Windows 11. Th...

How to Fix Taskbar Icons Not Loading on Startup

You boot your PC, but the taskbar icons—volume, network, battery, or pinned apps—don't show u...