error parsing xaml file: root element missing (3ds max)

error parsing xaml file: root element missing

에러 발생시

C:\Users\~~USERNAME~~\AppData\Local\Autodesk\3dsMax\2011 - 64bit\enu\UI

MaxManaged.xaml
MaxManaged.xaml.backup

확인..

MaxManaged.xaml.backup 파일을 MaxManaged.xaml 로 rename