Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix PowerShell 502 Bad Gateway in IIS: Step-by-Step

A 502 Bad Gateway error in IIS typically means a downstream server or application pool failed. Wh...

Fix Windows Activation Failed: Product Key Blocked Error

You try to activate Windows and see: "Activation failed. The product key you entered didn't work....

FFmpeg Setup Checklist for Developers

Developers often hit snags when setting up FFmpeg for the first time or on a new machine. This ch...

How to Fix 'Running Scripts Is Disabled' in PowerShell on Windows 11

When you try to run a PowerShell script on Windows 11 and see the error "running scripts is disab...

Fix Command Prompt Service Unavailable After Update

After a Windows update, you might see the error "Command Prompt service unavailable"

MongoDB Compass: Authentication Failed vs Connection Refused
When using MongoDB Compass, you might see either "authentication failed" or "connection refused."...