jQuery Build Error (Win7 HPEdition)

# npm install
> jquery@2.1.0-pre install C:\...\GitHub\jquery
> node build/bower-install

events.js:72
	throw er; // Unhandled 'error' event

Error: spawn ENOENT
	at errnoException (child_process.js:980:11)
	at Process.ChildProcess._handle.onexit (child_process.js:771:34)

npm ERR! wierd error 8
npm ERR! not ok code 0

{END CLI Output}