win7安装报错

Administrator@5EPC2HTWDXGEK0O MINGW64 ~
$ npm install -g yo
npm WARN deprecated cross-spawn-async@2.2.4: cross-spawn no longer requires a build toolchain, use it instead!
npm WARN deprecated npmconf@2.1.2: this package has been reintegrated into npm and is now out of date with respect to npm