Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're about to merge a branch, but you've been burned by merge conflicts before. This ch...

You run npm install and see errors like Unsupported engine or req...

Fix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fix ERR_CONNECTION_RESET in Chrome on Mac
If you see ERR_CONNECTION_RESET in Chrome on your Mac, the browser cannot establ...

Fix Windows 11 Setup Stuck at 99%
You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...

Fix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...