Checklists for software errors, setup, and tool workflows.

Fix 'Windows Security App Not Installed' on Windows 10

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

How to Fix PowerShell Rate Limit Error 429

If you're using PowerShell to call REST APIs — especially Microsoft Graph, Azure, or GitHub — you...

How to Fix Chrome High CPU Usage Caused by Extensions

If Chrome is using an unusual amount of CPU, extensions are a common culprit. You might notice yo...

Microsoft Teams Connection Refused: Troubleshooting Checklist

When Microsoft Teams shows a 'connection refused' error, the app cannot reach its servers. This u...

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...