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

Fix Cloudflare Wildcard Subdomain Origin Server Errors

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) pointing to you...

Fix WiFi No Internet After Windows 11 Update

After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

Windows 11 Blue Screen After Driver Update: Rollback Fix

You update a driver in Windows 11, and then you get a blue screen on reboot. This is a common pro...

Fix Chrome Access Violation Error on Windows 7

If you see an "access violation" error in Chrome on Windows 7, it usually means Chrome tr...

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

Symptom

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