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

Fix Microsoft Store Error 0x80072efd: Connection Refused

When you open Microsoft Store and see error 0x80072efd with the message "Connection refused," it ...

Python Module Not Found Despite pip list Showing It

You run pip list and see the module is installed, but when you try to import it in P...

Fixing OneDrive API Rate Limit Errors: A Practical Guide

You're building an app or script that calls the OneDrive API, and suddenly you start getting HTTP...

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Microsoft Store Blank Screen When Other Apps Work

You open the Microsoft Store and see nothing but a blank white or gray screen. Other apps—Edge, O...