Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you've installed a tool like Python, Node.js, or a custom script and want to run it from any d...

When you try to run a PowerShell script and see an error like “cannot be loaded because r...

Fix VSCode Extension Host Terminated Error Code 0
What does this error mean?
When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Activation Stuck on 'Activating'
You see 'Activating' in Settings > System > Activation, but it never finishes. This is a common g...

How to Reduce CMD Memory Usage in Windows
If you notice the Command Prompt (CMD) using more memory than expected—sometimes hundreds of mega...

Docker Compose .env File Setup: A Practical Guide
If you've been using Docker Compose without a .env file, you're probably hard-coding...