learning angular2
1: Clear Environment >node –v C:\Users\jchen> del %USERPROFILE%\.npmrc Could Not Find C:\Users\jchen\.npmrc >rmdir /s/q "c:\Program Files\nodejs" c:\Program Files\nodejs\node_perfctr_provider.man - Access is denied. c:\Program Files\nodejs\npm - Access is denied. c:\Program Files\nodejs\npm.cmd - Access is denied. Access is denied. > rmdir /s/q "%APPDATA%\npm" C:\Users\jchen\AppData\Roaming\npm\NODE_M~1\vs-tac\NODE_M~1\cordova\4300A3~1.0\NODE_M~1\cordova\NODE_M~1\CORDOV~1\NODE_M ~1\CORDOV~1\NODE_M~1\BROWSE~1\NODE_M~1\BROWSE~3\NODE_M~1\COMBIN~1\NODE_M~1\INLINE~1\NODE_M~1 - The directory is not empty. >rmdir /s/q "%APPDATA%\npm-cache" Go Control Panel\All Control Panel Items\Programs and Features uninstall nodejs Manually remove "%APPDATA%\npm" and "%APPDATA%\npm-cache" 2. Install Nodejs Download the file node-v7.7.2-x64.msi from https://nodejs.org/en/dow...