Due to the security enhancement in Windows 7 / Vista, NJStar Chinese PEN sometime does not work well on it since it has to hook the mouse and keyboard.

We found by setting the compatibility mode to Windows XP SP3, NJStar Chinese Pen will work again.

1. Click the right mouse button on the NJPEN Icon on the desktop, and select Properties,

2. From Compatibility tab, check [x] Run this program in compatibility mode with windows XP SP3.
As shown on this picture.