Checklists for software errors, setup, and tool workflows.

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How to Fix Git Index Lock File Exists Error

If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...

Fix Windows Update Service Not Running with Malwarebytes
If Windows Update fails with error messages like "Service not running" or "Windows Up...

Fix VSCode IntelliSense Not Working with TypeScript
You open a TypeScript file in VSCode, start typing, and get no autocomplete, no hover info, no er...

Fix Python venv Not Activating in VS Code Terminal
When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome
When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix Git SSL Certificate Problem on Corporate Networks
If you see git SSL certificate problem: unable to get local issuer certificate while...

Checklists for software errors, setup, and tool workflows.

Latest checklists

How to Fix Git Index Lock File Exists Error

Fix Windows Update Service Not Running with Malwarebytes

Fix VSCode IntelliSense Not Working with TypeScript

Fix Python venv Not Activating in VS Code Terminal

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

Fix Git SSL Certificate Problem on Corporate Networks

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