I have a new HP laptop with Window 7 Pro. When I try a trace nothing happens. Is this a problem tracer has running on Windows 7 (I have another Windows 7 laptop with the same symptom). I have multiple laptops with Windows 7, 8.1, and 10 on each of which I have the free download of INDE. Is there some limit on the number of free copies that causes the tracer not to work or is there some other issue??