Checklists for software errors, setup, and tool workflows.

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Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

Fix a Corrupted Windows Terminal Configuration File

Windows Terminal stores its settings in a JSON file. If that file gets corrupted—often after a cr...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

Fix Microsoft Teams Token Expired Error

You're working in Microsoft Teams when a message pops up: "Your token has expired" or "Authentica...

Fix 'Port Already in Use' Error in Windows 10 Command Prompt

When you try to start a local server or application and see Error: listen EADDRINUSE :::808...

Fix 'Syntax Error Near Unexpected Token' When Activating venv
When you try to activate a Python virtual environment on Linux or macOS and see bash: synta...