NodeJs をインストールし、Socket.io をインストールしようとしました
Socket.io のインストールが連続して失敗します。いくつかの異なるNodeJSバージョン（0.6.15、0.6.16、0.6.17、0.7.8 ）を試しました。すべてが socket.io のインストールに失敗します。
完全なログは、pastebinにあります。
コンソール ログは次のとおりです。
C:\Program Files (x86)\nodejs>npm install socket.io
npm http GET https://registry.npmjs.org/socket.io
npm http 304 https://registry.npmjs.org/socket.io
npm http GET https://registry.npmjs.org/policyfile/0.0.4
npm http GET https://registry.npmjs.org/socket.io-client/0.9.6
npm http GET https://registry.npmjs.org/redis/0.6.7
npm http 304 https://registry.npmjs.org/socket.io-client/0.9.6
npm http 304 https://registry.npmjs.org/redis/0.6.7
npm http 304 https://registry.npmjs.org/policyfile/0.0.4
npm http GET https://registry.npmjs.org/uglify-js/1.2.5
npm http GET https://registry.npmjs.org/xmlhttprequest/1.2.2
npm http GET https://registry.npmjs.org/active-x-obfuscator/0.0.1
npm http GET https://registry.npmjs.org/ws
npm http 304 https://registry.npmjs.org/uglify-js/1.2.5
npm http 304 https://registry.npmjs.org/xmlhttprequest/1.2.2
npm http 304 https://registry.npmjs.org/active-x-obfuscator/0.0.1
npm http 304 https://registry.npmjs.org/ws
npm http GET https://registry.npmjs.org/zeparser/0.0.5
npm http GET https://registry.npmjs.org/options
npm http GET https://registry.npmjs.org/commander
npm http 304 https://registry.npmjs.org/zeparser/0.0.5
npm http GET https://registry.npmjs.org/zeparser/-/zeparser-0.0.5.tgz
npm http 304 https://registry.npmjs.org/commander
npm http 304 https://registry.npmjs.org/options
> ws@0.4.14 install C:\Program Files (x86)\nodejs\node_modules\socket.io\node_mo
dules\socket.io-client\node_modules\ws
> node install.js
'node' is not recognized as an internal or external command,
operable program or batch file.
npm http 200 https://registry.npmjs.org/zeparser/-/zeparser-0.0.5.tgz
npm ERR! ws@0.4.14 install: `node install.js`
npm ERR! `cmd "/c" "node install.js"` failed with 1
npm ERR!
npm ERR! Failed at the ws@0.4.14 install script.
npm ERR! This is most likely a problem with the ws package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node install.js
npm ERR! You can get their info via:
npm ERR! npm owner ls ws
npm ERR! There is likely additional logging output above.
npm ERR!
npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files (x86)\\nodejs\\\\node.exe" "C:\\Program File
s (x86)\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "socket.io"
npm ERR! cwd C:\Program Files (x86)\nodejs
npm ERR! node -v v0.7.8
npm ERR! npm -v 1.1.18
npm ERR! code ELIFECYCLE
npm ERR! message ws@0.4.14 install: `node install.js`
npm ERR! message `cmd "/c" "node install.js"` failed with 1
npm ERR! errno {}
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! C:\Program Files (x86)\nodejs\npm-debug.log
npm not ok
回避策はありますか? Windows 7 x64 に Socket.IO をインストールするにはどうすればよいですか?