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

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

Cloudflare Error 521: Web Server Down Troubleshooting Guide

When you see Cloudflare error 521, it means Cloudflare cannot connect to your origin web server. ...

Fix PowerShell Script Not Running on Startup in Windows 11

You've created a PowerShell script and placed it in the Startup folder, but it doesn't run when W...

How to Set Up Windows Activation on Ubuntu Dual Boot

If you installed Ubuntu alongside Windows and now see an activation warning, you're not alone. Wi...

Fix 'nvm not found' After Adding to Environment Variables