Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Search returns no results, shows outdated files, or takes too long, the search index m...

You installed a Chrome extension, but its icon isn't in the toolbar. This is a common issue that ...

If Windows Terminal opens but PowerShell doesn't load—showing a blank window, an error, or closin...

If you see a "Checksum error" in WinRAR, it usually means the archive is damaged or incomplete. T...

You've installed the Java Development Kit (JDK) on your Mac, but when you type java -versio...

Fix Windows Update Stuck at 0% Downloading
You click 'Check for updates' and see 'Downloading 0%' for minutes or hours. This is a common fru...