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

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

Fix Windows Security App Not Opening Command Prompt

You click the Windows Security icon or try to launch it from Settings, but nothing happens. Or pe...

VS Code Git Not Detecting Changes in Workspace: Fixes

You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...

Fix 'Permission Denied' When Using pip in VS Code Terminal

When you try to install a Python package with pip install in the VS Code terminal an...

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

Symptom

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

Fix Bluetooth Service Not Running in Windows 11

You open Bluetooth settings in Windows 11 and see the toggle is grayed out, or your Bluetooth dev...