Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...

You edit the settings.json file in Windows Terminal, save it, and expect the changes to apply imm...

When you run PowerShell scripts against Azure APIs, you may hit rate limit errors like 429 ...

Fix Windows Activation Blank Screen After Login
You log into Windows, but instead of your desktop, you see a blank screen—often with only a curso...

How to Fix Git SSL Certificate Problem on macOS
If you see an error like fatal: unable to access 'https://...': SSL certificate problem: un...

Fix 'java' Not Recognized in Command Prompt on Windows
When you type java -version or javac in Command Prompt and get 'jav...