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

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Cloudflare Origin Certificate Setup Checklist

You've set up Cloudflare but your origin server still shows SSL errors or mixed content warni...

How to Fix Windows Update Error 0x80070002 with a Clean Boot

If you see error 0x80070002 when running Windows Update, it usually means a file or resource that...

Windows 11 Installation Assistant Stuck at 99% Disk Space

You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...

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

Symptom

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

Fix Python UnicodeDecodeError When Parsing JSON

You're parsing a JSON file in Python and hit UnicodeDecodeError: 'utf-8' codec ...