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

How to Show Hidden Icons on Taskbar in Windows 10

You may notice that some app icons in the system tray (notification area) are hidden behind an up...

Fix Docker Volume Permission Denied for Postgres

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

How to Re-enable IntelliSense in VS Code When It's Disabled

If IntelliSense suddenly stops working in Visual Studio Code—no suggestions pop up as you type, o...

Fix Windows Update Service Not Starting Automatically

If Windows Update stops working, the most common reason is that the Windows Update service isn...

Cloudflare Wildcard Subdomain Troubleshooting Checklist

When you set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, subdomain...