Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

When you run git clone, git pull, or git fetch over HTTPS,...

Fix 'Permission Denied' When Using mkdir in VS Code Terminal

Fix 'Permission Denied' When Using mkdir in VS Code Terminal

You're working in the VS Code integrated terminal and run a mkdir command only t...

Fix 'port already allocated' for Nginx in Docker Compose

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

VS Code Source Control Not Detecting Changes After Git Reinstall

VS Code Source Control Not Detecting Changes After Git Reinstall

If you reinstalled Git and VS Code's Source Control panel stopped detecting file changes, you...

How to Fix Nginx 502 Bad Gateway in Docker

How to Fix Nginx 502 Bad Gateway in Docker

If you're running Nginx as a reverse proxy inside Docker and seeing a 502 Bad Gateway error, ...

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...