Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

When Windows Search throws an SSL certificate error—often as 'The certificate is not valid' or 'A...

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

Fix PowerShell Service Unavailable After Update
After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...

Fix Java JDK Not Recognized in Environment Variable Path
If you see 'java' is not recognized as an internal or external command after install...

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 Yarn Install Network Timeout on Windows
When running yarn install on Windows, you might see errors like ETIMEDOUT