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

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

How to Fix Nginx Configuration Test Failed Error

When you run nginx -t and see "test failed", it means nginx found a problem ...

Fix 'pip externally managed environment' on Ubuntu 23.04

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

Chrome Startup Crash: Registry Fix Guide

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

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

How to Fix Chrome ERR_NAME_NOT_RESOLVED Error

You try to open a website in Chrome and see ERR_NAME_NOT_RESOLVED. This error me...