when nvmw install ,download done .C:\Users\Administrator\.nvmw\unzip.js(17, 3) (null):

[happy760690]

Start installing node/v0.11.14 (x64) to C:\Users\Administrator\.nvmw\v0.11.14
Download from http://npm.taobao.org/mirrors/node/v0.11.14/x64/node.exe, and save it as C:\Users\Administrator\.nvmw\v0.11.14\node.exe
Done
Start install npm
Download file from https://raw.githubusercontent.com/joyent/node/v0.11.14/deps/npm/package.json
package.json
Content length is 3.85kb
Download 100%, 3.85kb / 3.85kb, 963.62kb/s ...
Donwload done
Download file from http://npm.taobao.org/mirrors/npm/v2.0.0.zip
v2.0.0.zip
Redirect: http://cdn.npm.taobao.org/dist/npm/v2.0.0.zip
Download file from http://cdn.npm.taobao.org/dist/npm/v2.0.0.zip
v2.0.0.zip
Content length is 2.82mb
Download 100%, 2.82mb / 2.82mb, 9.97mb/s ...
Donwload done
Download npm 2.0.0 is done
Start unzip "C:\Users\Administrator\.nvmw\v0.11.14\npm.zip" to "C:\Users\Administrator\.nvmw\v0.11.14"
C:\Users\Administrator\.nvmw\unzip.js(17, 3) (null): 未指定的错误

系统找不到指定的文件。
存在一个重名文件，或是找不到文件。
系统找不到指定的路径。
C:\Users\Administrator\.nvmw\v0.11.14
另一个程序正在使用此文件，进程无法访问。