C:\Users\Administrator>npm install -g nwnpm ERR! Windows_NT 6.1.7601npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "nw"npm ERR! node v4.4.2npm ERR! npm ?vSyntaxError: Unexpected token <npm ERR! Invalid Version: SyntaxError: Unexpected token <npm ERR!npm ERR! If you need help, you may report this error at:npm ERR! ? ? <https://github.com/npm/npm/issues>|npm ERR! Please include the following file with any support request:npm ERR! ? ? C:\Users\Administrator\npm-debug.log