Nodejs Cannot find module

Question

I\'m getting an error when trying to use any global module, exemple:

Error: Cannot find module \'express\'
    at Function.Module._resolveFilename (module.js:         


        

Answer 1

I was getting same error on Windows7/x64 and adding following in the environment variable resolved the issue:

NODE_PATH=C:\Users\[USERNAME]\AppData\Roaming\npm\node_modules

*Replace [USERNAME] with your actual system username