Help.AutoCAD have stopped working when I input the activation code

[ningyu12]

Is there anybody who had the same problem???

In my lab, eight computers have the same problem!!!.

[ningyu12]

Autocad technical support?

[ampster401]

You've dialed the wrong number,

This is "peer" support.

You might have better luck in the Installation & Licensing forum;

http://forums.autodesk.com/t5/Installation-Licensing/bd-p/24

[TravisNave]

Free educational licenses are not permanent.  Your period may have ended.  You will need to apply for an extension.