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

Fix Windows Security App Permission Issues

You open Windows Security and see a message like "This app has been blocked for your protecti...

How to Clear DNS Cache to Fix ERR_NAME_NOT_RESOLVED

You try to visit a website, but Chrome shows ERR_NAME_NOT_RESOLVED or your brows...

Setting Up Cloudflare Wildcard Subdomains: A Practical Guide

If you need to route traffic for any subdomain (like *.example.com) to the same server, Cloudflar...

Checklist for Pushing Large Files with Git

You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix Windows Update Error 0x80070002 on Windows 11

If you see error 0x80070002 when running Windows Update on Windows 11, it usually means Windows c...