Software⏱️ 2 min read📅 2026-05-31

How to Fix: GitHub: "failed to connect to github 443 windows/ Failed to connect to gitHub - No Error"

GitHub connection issue behind company firewall.

Quick Answer: Try using the GitHub Desktop client or Git Bash, which can bypass proxy settings and connect to GitHub directly.

The error message 'failed to connect to github 443' and 'failed to connect to gitHub - No Error' indicates that your system is unable to establish a connection with GitHub's server at port 443. This issue can be caused by several factors, including the absence of proxy settings, firewall restrictions, or incorrect Git configuration.

⚠️ Common Causes

  • The absence of proxy settings in your system or network configuration.
  • Firewall restrictions that block the connection to GitHub's server at port 443.

🛠️ Step-by-Step Verified Fixes

Method 1: Configuring Proxy Settings

  1. Step 1: Open the Control Panel and navigate to Internet Options.
  2. Step 2: In the Connections tab, click on Settings next to your network adapter.
  3. Step 3: In the Advanced tab, check the box next to Use a proxy server for Internet Explorer.
  4. Step 4: Enter the address and port number of your proxy server in the corresponding fields.

Method 2: Adding Git to PATH

  1. Step 1: Open the Command Prompt as an administrator.
  2. Step 2: Run the command git config --global proxy.http://your-proxy-server:port http, replacing http://your-proxy-server:port with your actual proxy server address and port number.

🎯 Final Words

By following these steps, you should be able to resolve the 'failed to connect to github 443' error and successfully clone the Angular PhoneCat repository.

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