USB device can not be used under guest OS

Hi,

My OS is FreeBSD 10, and I've updated VirtualBox to 4.3.16_ose r95972. When I attach a USB device on a running Windows 7, the guest OS panics. The error is:
Code:
Failed to construct 'USBProxy'/0! VERR_READ_ERROR (-111) - Generic file read error.
The USB device can used under the old version of VirtualBox.

Please help me fix the problem, thanks a lot.
 
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