Casio ClassPad Manager Version 3.0 - Manual (Page 14)

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3.
Though a message appears to let you know that the software has not passed the “Windows
Logo Test”, there is no need for concern. Simply click [Continue Anyway] and proceed with
installation.
4.
Click [Finish].
k To disconnect your ClassPad from a computer
1.
Disconnect the USB cable from your ClassPad.