Often, the problem is with the DNS servers provided by your ISP. Switching to a public DNS like Google DNS or Cloudflare can immediately fix the connection issue. Open on your Windows PC. Go to Network and Internet > Network and Sharing Center . Click on Change adapter settings .
: Some users have success by installing the latest standalone version of VirtualBox first, then running Droid4X. Important Compatibility Note how to fix droid4x request download url failed work