Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Nginx 404 on All Pages Except Index

If your Nginx server loads the index page but returns 404 on all other pages, the issue is almost...

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

Fix Windows Activation Token Expired via Command Line

If you see a message that your Windows activation token has expired, the system may refuse to act...

Fix Teams Loading Forever on Windows 10

If Microsoft Teams gets stuck on the loading screen with a spinning circle or a blank window, you...

Fix npm install ENOENT: package.json Missing or Not Found

When you run npm install and see ENOENT: no such file or directory, open '.../...

Fix Windows Activation Error 0xc004f074 on Server 2019
You see error 0xc004f074 when activating Windows Server 2019. This usually means the server can't...