Download Planex BT-01UDE Bluetooth USB Adapter Windows Driver and Utility:
Release Note: Toshiba Software Version: V 3.03.13c, It corrects the data transmission issue with BT-01UDE and Bluetooth PDA.
Driver & Utility for Windows 2K / XP, V 3.03.13c, International, Jun.06, 2005, 139MB
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Driver & Utility for Windows 98SE / Me, V 3.03.13c, International, Jun. 06, 2005, 85.2MB
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Planex BT-01UDE Quick Installation Guide: 
International
Planex BT-01UDE User's Manuals: