I am having the same problem. I verified the existence of the license file (I do not know if the data within the file is correct).
The error message gives the full path of the license file and then at the end says:
....license.dat: (-9) Invalid Host
Below the above this data appears:
CREODMA_Student2 Uncounted 33.0 04-jan-2015 Student2 Locked to: 08-3E-8E-2E-BA-F8
System:
Windows 8.1 (64 bit)
HP ENVY m6 Entertainment PC (laptop)
8GB RAM
i5 3210M 2.5GHz
Intel HD Graphics 4000