Checklists for software errors, setup, and tool workflows.

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Fix Jupyter Notebook Token Not Working on Ubuntu

You launch Jupyter Notebook on Ubuntu, but when you open the URL in your browser, the token promp...

Fix BitLocker Permission Denied Error: Step-by-Step Guide

You're trying to access a BitLocker-encrypted drive, but you get a "permission denied" error. Thi...

How to Fix Microsoft Teams Error 429 (Rate Limit)

You're working in Microsoft Teams and suddenly see error 429: “You have been rate limited. Please...

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

Fix VS Code Terminal Not Opening (Exit Code 1)

When you try to open the integrated terminal in VS Code and see an error message like The t...

Windows Defender Real-Time Protection Error 0x80070422 Fix
You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...