Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see 'ERR_PROXY_CONNECTION_FAILED' or 'Proxy server is not responding' in Chrome on Windows...

You're trying to manage BitLocker via the web console or a recovery key portal, and instead of th...

You try to run Windows Update in Windows 10 but get a 'permission denied' error. This often happe...

If you see a 502 Bad Gateway error when Task Scheduler runs a task that hits a web service or IIS...

You run a PowerShell script that calls a web API, and after a while you get a 504 Gateway...

How to Install PowerShell on Ubuntu
If you need to run PowerShell scripts on Ubuntu, you can install it via Microsoft's official repo...