Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Windows Explorer (now called File Explorer) freezing or showing "not responding" is a com...

When running pnpm install or pnpm update, you may see:

ER...

Fix Nginx 502 Bad Gateway in Docker Alpine
You have an Nginx container running on Alpine Linux, and it returns a 502 Bad Gateway. This usual...

How to Fix Docker Pull 'Access Denied' or 'Permission Denied'
When you run docker pull and see access denied or permission deni...

Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...

Fix Git Merge Conflicts with Deleted Files
You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...