I am new to yeoman set of tools. I run following commands in Ubuntu 12
$ npm install -g yo $ npm install -g generator-webapp $ yo webapp >
$ npm install -g yo $ npm install -g generator-webapp $ yo webapp
In my case,
ISSUE: 'yo doctor' can find no errors on Windows 10. Updating yeoman didn't fix. FIX: May be a permission problem. I opened command prompt as Admin , run yo xxxx, it worked.