problems with feko

hello, actually i′m trying to use feko, but when i start, the aplication "said" that i need to set the feko_user_home variable (?)
i traid to make this, but i couldn′t... somebody could help me?.
thanks
pd: sorry about my english...

I think you must to restart your computer after installation.

try something like this:
set an system environment variable
name:feko_user_home(use uppercase)
value: path point to the folder you stor your project