If your valid activation code isn't working, check the following:
It is important to understand that Reflex XTR2 is designed to work specifically with its proprietary USB interface. This hardware acts as a physical "key." Even if you have the software installed, it generally will not fly unless the genuine Reflex USB adapter is plugged into your computer. How to Activate Your Software Reflex Xtr2 Activation Code
Use the original disc or the official download link provided by the manufacturer. If your valid activation code isn't working, check