Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see a systemd service restarting over and over, the symptom is usually something like

When you run git push and see an error like ! [rejected] main -> main (non-fas...

OBS Virtual Camera Setup Checklist
You've added sources, your scene looks great in OBS, but when you try to select the OBS Virtual C...

Fix Windows Defender Not Working After Update
After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...

Fix Java JDK Not Recognized in Windows 10
You've installed the Java Development Kit (JDK) on Windows 10, but when you type java -vers...

Fix Windows Update Stuck at 100% Not Finishing
You wait for a Windows update to finish, the progress bar hits 100%, and then nothing happens for...