In order to set up PayPal Advanced / PayFlow Link / PayFlow Pro on VPASP LITE you will need to have the software installed on a live domain. If you are hosting LITE locally you can only use PayPal Pro and PayPal Express Checkout.
To set up PayPal Advanced / PayFlow Link / PayFlow Pro on your live domain, please make the following changes;
1) Open the config\shop$config.asp page and locate xmysite
2) The field should be empty, please populate this field with your live domain URL
e.g. const xmysite="http://v7lite.cartmonkey.com"
3) Save changes and test