Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Search Not Running on Startup

If Windows Search doesn't start when you boot your PC, you'll notice the search box or taskbar se...

Activate Windows Without Product Key Using CMD

If you've installed Windows and don't have a product key handy, you can still activate it tempora...

Fix OneDrive Files On-Demand Not Downloading Error

You click a file in File Explorer expecting it to download from OneDrive, but nothing happens—or ...

Fix 'Command Prompt Not Found' Error After Windows Update

After a Windows update, you might see a '404 not found' error when trying to open Command Prompt,...

Fix Chrome 504 Gateway Timeout When Using a VPN

You're browsing with a VPN active, and Chrome suddenly shows a 504 Gateway Timeout

How to Enable Chrome Extensions in Incognito Mode
You have a useful extension, but when you open an incognito window, it's grayed out or missing. B...