If you need the driver for the D-Link DU-CS adapter then you will find the driver below. Note that this is a Windows 2000 and Windows XP driver for the adapter. Before you install a new driver ensure that you have removed the old one and virus scanned the new file before install.
Note that the hardware string only lists the following for the driver and will only work on this hardware as listed. These are “USB Serenum Filter Driver” and also “D-Link Serial Converter Driver Disk”.