Autodesk Licensing freezing?

[danibella]

Im trying to register my student version of AutoCAD ive already installed and everytime i open it to get the product request code it gives me a blank screen so im stuck at the same point registering it! I dont really want to use the trial so any help??

Thanks

[emily.xu]

You can find some topic on your problem in this forum, see : http://forums.autodesk.com/t5/Installation-Licensing/Activation-Issue/m-p/2708095#M21913.