USB\VID_­067B&­PID_­2303 drivers

Here is 4 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.
Hardware:ProDesk 400 G1 Mini PC
Software name:USB to Serial Adapter/Serial Comm Port Driver
Version: Rev.A
File Size:3.21Mb (3361560 bytes)
Released:03 Sep 2015
System:Windows 10 64-bitWindows 8.1Windows 8.1 64-bitWindows 8 64-bitWindows 7Windows 7 64-bit
Description:USB to Serial Adapter/­Serial Comm Port Driver for HP ProDesk 400 G1 Mini PC
This package provides the HP USB to Serial Adapter/­HP USB to Serial
Comm Port Driver for supported desktop models that are running a
supported operating system.­
Compatible devices:
DUMPD400G1DMPRE,­ H9R10EC,­ L1E22AV,­ L5T00UP,­ L5V69PA,­ L8Q30EC,­ L9T51EA,­ L9T52EA,­ L9T55EA,­ L9U01ES,­ M1A91US,­ M1A96US,­ M2L90PA,­ M2L91PA,­ M2L92PA,­ M2L93PA,­ M2L94PA,­ M2M45PA,­ M2M46PA,­ M2M47PA,­ M2M70PA,­ M2M94PA,­ M3G50UC,­ M3S24US,­ M3S72US,­ M3W43EA,­ M3X25EA,­ M3X26EA,­ M3X27EA,­ M3X34ES,­ M5X34US,­ M5X43US,­ M5X69US,­ M.­.­.­
Download HP ProDesk 400 G1 Mini PC USB to Serial Adapter/Serial Comm Port Driver Rev.A
Hardware:Multifunction Port Replicator
Software type:Driver
File Size:120.95Kb (123851 bytes)
Released:14 Mar 2012
Description:Driver for Kensington Multifunction Port ReplicatorDownload Kensington Multifunction Port Replicator Driver 1.0
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
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