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

Fix Cloudflare Wildcard Subdomain Issues After SSL Change

If your wildcard subdomains (e.g., *.example.com) stop working after you change SSL/TLS settings ...

Fix Cloudflare SSL Full Strict Permission Denied Error

If you're using Cloudflare's SSL/TLS encryption mode set to Full (strict) and suddenly se...

Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot

You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...

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

Symptom

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

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

Fix npm install Permission Denied on Linux

When you run npm install on Linux and hit a permission denied error, it usually mean...