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

How to Fix Windows Terminal 404 Not Found Error

You open Windows Terminal and see a '404 Not Found' error, often when clicking a link or launchin...

Fix Windows Activation Authentication Failed Error: License Not Genuine

When you see a message like “Windows activation authentication failed” or “license not genuine,” ...

How to Fix Cloudflare 521 Error on a WordPress Site

If you see a Cloudflare 521 error on your WordPress site, it means Cloudflare can't connect to yo...

Microsoft Store Not Working? Try These Fixes

When the Microsoft Store won't open, shows error codes, or fails to download apps, it's usually d...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Fixing NGINX 502 Bad Gateway Permission Denied

If you're seeing a 502 Bad Gateway error from NGINX and the logs mention p...