我试图安装Cordova时遇到这个错误

Your environment has been set up for using Node.js 0.12.4 (x64) and npm.

C:\Users\Sworup>npm install -g cordova ionic
npm ERR! registry error parsing json
npm ERR! tar.unpack untar error C:\Users\Sworup\AppData\Local\Temp\npm-1424-df7f
43fe\registry.npmjs.org\underscore\-\underscore-1.7.0.tgz
npm ERR! tar.unpack untar error C:\Users\Sworup\AppData\Local\Temp\npm-1424-df7f
43fe\registry.npmjs.org\npm\-\npm-2.1.3.tgz
npm ERR! Windows_NT 6.3.9600
npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs
\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "cordova" "ionic"
npm ERR! node v0.12.4
npm ERR! npm  v2.10.1
npm ERR! code ECONNRESET
npm ERR! errno ECONNRESET
npm ERR! syscall read

npm ERR! network read ECONNRESET
npm ERR! network This is most likely not a problem with npm itself
npm ERR! network and is related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settin
gs.
npm ERR! network
npm ERR! network If you are behind a proxy,please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config'
npm ERR! tar.unpack untar error C:\Users\Sworup\AppData\Local\Temp\npm-1424-df7f
43fe\registry.npmjs.org\prompt\-\prompt-0.2.12.tgz
npm ERR! Windows_NT 6.3.9600
npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs
\\node_modules\\npm\\bin\\npm-cli.js" "install" "-g" "cordova" "ionic"
npm ERR! node v0.12.4
npm ERR! npm  v2.10.1

npm ERR! unexpected eof
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\Sworup\npm-debug.log

C:\Users\Sworup>

我的系统配置如下：

C:\Windows\System32>npm -v
2.10.1

C:\Windows\System32>node -v
v0.12.4

C:\Windows\System32>git --version
git version 1.9.4.msysgit.1

我已经做了

C:\Windows\System32>npm cache clear

在运行安装命令之前不要使用。

我尝试将注册表更改为http仍然没有用。

我试着分开安装Ionic框架，还是没有运气。

我尝试安装Phonegap，与上述相同的错误。

我只是停留在这一点上，不知道该怎么办。