Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you see a "version mismatch" error in Command Prompt, it usually means the command you're tr...

When you run git push and see an error like ! [rejected] main -> main (non-fas...

Fix MySQL Workbench Connection Refused on Mac
When MySQL Workbench on Mac shows 'connection refused', it usually means the MySQL server isn't r...

Fix Go Modules Proxy 'No Such Host' Error
When using Go modules with a proxy, you may see an error like:
go: example.com/modu...

Windows Search Setup Guide for Beginners
If you've just installed Windows or are finding that search is slow or missing files, this guide ...

Fix Go Modules Proxy 403 Forbidden Error
When using Go modules with a proxy, a 403 Forbidden error typically means the proxy rejected your...