I recently moved from mac to PC and using the same licence i cannot activate Cubase 6. The licence is educational.
Is there a way i could request a new serial code to unlock Cubase for my PC.
Thanks 
You only need to activate Cubase once, then the license is on your dongle. Until you tell us, what exactly is the problem, go to www.elicenser.net and download and install the latest version of the elicenser software.
it seems to be working even though it said licensing failed but i will test more tomorrow thanks.
James
Possibly you just have to unplug + replug the dongle after starting your computer/before you open Cubase.