Even with a perfect , things can go wrong. Here are the three most common errors and their fixes.

A node module used to launch your command-line interface applications. You can review the documentation on the Gulp Liftoff GitHub Repository .

Your antivirus (specifically Avast or McAfee) is performing a heuristic scan on the download. Fix: Temporarily disable "HTTPS Scanning" or "Web Shield" during the Lift Off download . Re-enable it immediately after installation.

A network firewall or VPN blocking the final checksum verification. Fix: Pause your VPN. If you are on a corporate network, switch to a personal hotspot for the final 1% of the Lift Off download .