Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Terminal Blank Tab on New Tab

You open a new tab in Windows Terminal and see nothing — just a blank, unresponsive window. This ...

Set Windows Update Service to Run as Local System Account

If Windows Update fails with errors like 0x80070422 or the service won't start, the service might...

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

Fix Windows Terminal Path Not Found Registry Error

If you see an error like "Windows Terminal: The path '...' is not found in the registry"...

How to Fix PowerShell Unable to Connect to Proxy Server

When PowerShell fails to connect to a proxy server, you might see errors like Unable to con...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...