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

Fix Svchost.exe High CPU Usage on Windows 11

You open Task Manager and see svchost.exe using 30% or more of your CPU. This is common in Window...

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 GitHub Actions Docker Push Permission Denied

PowerShell High Memory Usage Not Dropping: Fixes That Work

You run a PowerShell script, memory usage climbs to several hundred MB or even GB, and after the ...

Fix nvm not found when running as administrator on Windows

When you open Command Prompt or PowerShell as Administrator on Windows and type nvm,...

Fix Firefox Secure Connection Failed Certificate Errors

You try to open a website in Firefox and see a full-page error: "Secure Connection Failed" with a...