The shared device cannot be accessed from a virtual machine (error 39)

Your system may be missing the standard USBD.SYS driver. To fix it:

  1. Insert your Windows installation CD.
  2. Locate the USBD.SY_ file inside the i386 directory.
  3. Copy this file to C:\Windows\system32\drivers on your system, and rename it to USBD.SYS.