Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Proxy Server Error

When you try to activate Windows and see an error about a proxy server, it usually means the acti...

Fix Microsoft Teams Token Expired Not Working

If you see "token expired" in Microsoft Teams and the app stops working, it usually means your au...

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

How to Fix npm install ENOENT Package JSON Error

When you run npm install and get an ENOENT error mentioning package.json, it usually...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

How to Fix Git SSL Certificate Problem

If you see an error like fatal: unable to access 'https://...': SSL certificate problem: un...