I just started to learn and train about node js. I was already installing node js version 2.14.7 64bit. Then. I was writing a code to make basic server.
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If you save your node.js file inside the "users" folder , then you can get this kind of errors.
The best way to solve this is that you make a folder inside the D:\ like "D:\node" and then with the help of "cd" or "cd.." command in you cmd to navigate to the folder and run "node test4.js".
Hope it solves your problem.