Invalid or unsupported zip format. No END header found

[brkrtp]

`Starting downloading: update-0.0.1.zip Downloaded update-0.0.1.zip Update downloaded and ready for install

/Users/---/Desktop/---/Server/node_modules/node-promise/promise.js:204 throw error; ^ Invalid or unsupported zip format. No END header found`

Sometimes its shows this errors. And sometimes download going well but when the extract the zip file, extract part going wrong...