Error installing ng new on windows

Frustrating!

When installing ng new on Windows, you may encounter various errors. Here are some common issues and their solutions:

  1. Error: ng is not recognized as an internal or external command:
    • Solution: Make sure you have Node.js and npm installed on your system. You can download and install them from the official Node.js website.
    • Verify that the Node.js installation directory is added to your system's PATH environment variable. You can do this by following these steps:
      • Right-click on the Start button and select System.
      • Click on Advanced system settings.
      • Click on Environment Variables.
      • Under System Variables, scroll down and find the Path variable, then click Edit.
      • Click New and enter the path to the Node.js installation directory (e.g., C:\Program Files\nodejs\bin).
      • Click OK to close all the windows.
  2. Error: npm is not recognized as an internal or external command:
    • Solution: Same as above, make sure you have Node.js and npm installed, and the Node.js installation directory is added to your system's PATH environment variable.
  3. Error: ng new is not recognized as a command:
    • Solution: Run the command prompt as an administrator. Right-click on the Start button and select Command Prompt (Admin). Then, try running the ng new command again.
  4. Error: ng is not recognized as a command, even after installing Node.js and npm:
    • Solution: Try reinstalling Node.js and npm, or try using the npm install -g @angular/cli command to install the Angular CLI globally.
  5. Error: ng new fails with a permission error:
    • Solution: Run the command prompt as an administrator, as mentioned above.
  6. Error: ng new fails with a dependency error:
    • Solution: Try updating your npm dependencies by running npm install or npm update in your project directory.
  7. Error: ng new fails with a TypeScript error:
    • Solution: Make sure you have TypeScript installed on your system. You can install it by running npm install -g typescript or npm install -g @types/node.

If none of these solutions work, please provide more details about the error message you're seeing, and I'll do my best to help you troubleshoot the issue!