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

Fix Windows Security App Blocked by Antivirus

You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fix ERR_NAME_NOT_RESOLVED with CMD: Step-by-Step Guide

When you see ERR_NAME_NOT_RESOLVED in your browser, it usually means your computer can't tran...

Fix npm run build: Module Not Found Error

When you run npm run build and see a Module not found error, the bu...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fixing Cloudflare 522 Error: CDN Configuration Steps

If you see a 522 Connection Timed Out error from Cloudflare, it means your CDN (...

Fix Cloudflare 521 Error: DNS Configuration Problem

If you see a Cloudflare 521 error page, it means Cloudflare's servers are unable to connect t...