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

Windows Security Advanced Settings Checklist

You've likely opened Windows Security and noticed the advanced settings scattered across differen...

How to Fix Chrome Not Opening on Ubuntu

If Chrome refuses to start on Ubuntu—clicking the icon does nothing, or you see a brief splash sc...

How to Kill a Process Using a Port in Command Prompt

When you try to start a local server or application and see an error like "port already in use" o...

Fix 'Remote Desktop Command Not Found' After Update

How to Fix Cloudflare DNS Not Resolving on Mac

If you've set Cloudflare DNS (1.1.1.1) on your Mac but websites still fail to load or resolve slo...

Fix VSCode Remote SSH Permission Denied: Setup Guide

When you see "Permission denied (publickey)" or similar errors while trying to connect via VSCode...