gistfile1.txt

$ npm install
npm WARN deprecated graceful-fs@3.0.8: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.
npm WARN deprecated find-file@0.1.4: Use the globby package instead

> pngquant-bin@0.3.5 postinstall c:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\pngquant-bin
> node index.js

path.js:7
    throw new TypeError('Path must be a string. Received ' + inspect(path));
    ^

TypeError: Path must be a string. Received { url: 'https://raw.github.com/imagemin/pngquant-bin/v0.3.5/vendor/win/pngquant.exe',
  name: 'pngquant.exe',
  os: 'win32' }
    at assertPath (path.js:7:11)
    at Object.basename (path.js:801:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:35:43
    at each (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\node_modules\each-async\each-async.js:63:4)
    at module.exports (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:33:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:108:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:141:24
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-check\index.js:30:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\executable\index.js:39:20
    at FSReqWrap.oncomplete (fs.js:117:15)
npm WARN install:pngquant-bin@0.3.5 pngquant-bin@0.3.5 postinstall: `node index.js`
npm WARN install:pngquant-bin@0.3.5 Exit status 1

> optipng-bin@0.3.11 postinstall c:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\optipng-bin
> node index.js

path.js:7
    throw new TypeError('Path must be a string. Received ' + inspect(path));
    ^

TypeError: Path must be a string. Received { url: 'https://raw.github.com/imagemin/optipng-bin/v0.3.11/vendor/win/optipng.exe',
  name: 'optipng.exe',
  os: 'win32' }
    at assertPath (path.js:7:11)
    at Object.basename (path.js:801:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:35:43
    at each (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\node_modules\each-async\each-async.js:63:4)
    at module.exports (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:33:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:108:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:141:24
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-check\index.js:30:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\executable\index.js:39:20
    at FSReqWrap.oncomplete (fs.js:117:15)
npm WARN install:optipng-bin@0.3.11 optipng-bin@0.3.11 postinstall: `node index.js`
npm WARN install:optipng-bin@0.3.11 Exit status 1

> jpegtran-bin@0.2.8 postinstall c:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\jpegtran-bin
> node index.js

path.js:7
    throw new TypeError('Path must be a string. Received ' + inspect(path));
    ^

TypeError: Path must be a string. Received { url: 'https://raw.github.com/imagemin/jpegtran-bin/v0.2.8/vendor/win/x64/jpegtran.exe',
  name: 'jpegtran.exe',
  os: 'win32',
  arch: 'x64' }
    at assertPath (path.js:7:11)
    at Object.basename (path.js:801:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:35:43
    at each (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\node_modules\each-async\each-async.js:63:4)
    at module.exports (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:33:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:108:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:141:24
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-check\index.js:30:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\executable\index.js:39:20
    at FSReqWrap.oncomplete (fs.js:117:15)
npm WARN install:jpegtran-bin@0.2.8 jpegtran-bin@0.2.8 postinstall: `node index.js`
npm WARN install:jpegtran-bin@0.2.8 Exit status 1

> gifsicle@0.1.7 postinstall c:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\gifsicle
> node index.js

path.js:7
    throw new TypeError('Path must be a string. Received ' + inspect(path));
    ^

TypeError: Path must be a string. Received { url: 'https://raw.github.com/imagemin/gifsicle-bin/v0.1.7/vendor/win/x86/gifsicle.exe',
  name: 'gifsicle.exe',
  os: 'win32',
  arch: 'x64' }
    at assertPath (path.js:7:11)
    at Object.basename (path.js:801:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:35:43
    at each (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\node_modules\each-async\each-async.js:63:4)
    at module.exports (C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\download\index.js:33:5)
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:108:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-wrapper\index.js:141:24
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\bin-check\index.js:30:20
    at C:\wamp\www\codefinger-projects\prototypes\todo-mvc\node_modules\executable\index.js:39:20
    at FSReqWrap.oncomplete (fs.js:117:15)
npm WARN install:gifsicle@0.1.7 gifsicle@0.1.7 postinstall: `node index.js`
npm WARN install:gifsicle@0.1.7 Exit status 1
npm WARN todomvc@0.1.1 No repository field.
npm WARN todomvc@0.1.1 No license field.

Hi,
I am facing same error. Did you find any solution for this?