USB\VID_­067B&­PID_­2303 drivers

Here is 3 drivers compatible with USB\VID_­067B&­PID_­2303.
This is Device ID of Prolific USB-to-Serial Bridge.
Device or core chip manufacturer is Prolific Technology Inc. .
Here is only last drivers for this DeviceId. Almost all of them are compatible with your hardware.
Anyway, you can try to use extended search exactly for your hardware.
Category:USB
Manufacturer:Kensington
Hardware:Multifunction Port Replicator
Software type:Driver
Version:1.0
File Size:120.95Kb (123851 bytes)
Released:14 Mar 2012
System:Windows
Description:Driver for Kensington Multifunction Port ReplicatorDownload Kensington Multifunction Port Replicator Driver 1.0
Category:Controllers
Manufacturer:Espada
Hardware:PAUB014
Software type:Driver
File Size:6.82Mb (7155674 bytes)
Released:14 Apr 2014
System:Windows VistaWindows Vista 64-bitWindows XPWindows XP 64-bitWindows Server 2003Windows Server 2003 64-bitWindows MEWindows 98 SEWindows 98Windows 7Windows 7 64-bitWindows Server 2008Windows Server 2008 64-bit
Description:Driver for Espada PAUB014Download Espada PAUB014 Driver
Category:USB
Manufacturer:Defender
Hardware:UDA 134
Software type:Driver
File Size:5.38Mb (5639637 bytes)
Released:07 Feb 2008
System:Windows XPWindows 2000Windows Server 2003Windows MEWindows 98Windows 95Windows NT
Description:Driver for Defender UDA 134
Driver for Microsoft Windows 95/­98/­ME/­NT/­2000/­XP/­2003
Download Defender UDA 134 Driver