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

Fix Bluetooth Device Not Detected on Windows 11

You try to pair a Bluetooth mouse, keyboard, or headphones, but Windows 11 doesn't see the de...

Fix Windows 11 Blue Screen After Update with Bootable USB

After a Windows 11 update, some systems boot into a blue screen (BSOD) or crash loop. This usuall...

Python Command Not Found in Windows Terminal: Fixes

When you type python or python3 in Windows Command Prompt or PowerShell...

How to Fix Nginx 502 Bad Gateway in Docker Logs

If your Nginx container shows a 502 Bad Gateway error, it usually means Nginx cannot...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...