Programming Tutorials

  Few things break a developer's flow state faster than a spinning loading icon where code suggestions should be. If you are working in an enterprise environment, behind a corporate firewall, or using a VPN, you have likely encountered the frustrating "GitHub Copilot could not connect to server" error. This isn't just a connectivity glitch; it is almost always a Trust Level Security (TLS) or proxy configuration conflict between the Node.js runtime powering VS Code and your network's security infrastructure. This guide provides a rigorous technical breakdown of why this happens and offers three distinct solutions, ranging from quick configuration overrides to root-level certificate fixes. The Root Cause: TLS Handshakes and Corporate Proxies To fix the problem, you must understand the architecture of the failure. GitHub Copilot operates as a VS Code extension, which runs inside a Node.js process. When Copilot requests suggestions, it initiates an HTTPS request to  h...