3D Max Key 入啟用碼等序號後Registration-Activation Error

           安裝完3D Max 9版完之後,Key 入啟用碼等序號後會秀 

Registration-Activation Error

(There is a problem with the activation code that you entered.click one of the following links.)

 請記得~

在C:\Documents and Settings\All Users\Application Data\Autodesk\Software Licenses有此資料夾，把裡面的檔案殺光，就可以使用了 

WIN7
C:\ProgramData\Autodesk\Software Licenses 則是這個資料夾