Grunt is not working for all Windows users. Some users are facing some issues, when I run npm install command; it prints a message as below.
npm install
E:\\Wor
Incase that there some developer that used Windows XP, that have similar problem you'll need to change Path entry.
From: C:\Users\change_username\AppData\Roaming\npm\grunt
To: C:\Documents and Settings\change_username\Application Data\npm