Prolific PL-2303 - Cable (CA-42 Generic) Driver Download

Prolific Drivers

The PL-2303 - Cable (CA-42 Generic) is a device manufactured by Prolific. You can unlock features and improve performance by updating its driver. Visitors have downloaded this file "PL2303_Prolific_DriverInstaller_10311.exe" 14,317 times with an aggregate rating of 5 out of 5 stars based on 18 reviews. Our users report success installing this driver update on PCs running Windows 10, Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 3.1 MB.

18 Ratings (see all reviews)

Supported Models

PL-2303 - Cable (CA-42 Generic)



Supported Operating Systems

Windows 2008, Windows 2008 (64 bit), Windows Vista, Windows Vista (64 bit), Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000, Windows ME, Windows 98SE

File Name

Versions (10-Apr-2009)

Additional Notes

PL-2303 Driver Setup Installer, Prolific Edition

Setup Installer Revision Note History


System Requirement:

. Supports the following Windows OSes:

- Windows 98SE

- Windows ME

- Windows 2000 SP4

- Windows XP SP2 and above (32-bit)

- Windows Server 2003 (32-bit)

- Windows Server 2008 (32/64 bit versions)

- Windows Vista (32/64 bit versions)

. USB host controller

. Device using PL-2303H/HX/X version chip

Supported device ID and product strings:

. VID_067B&PID_2303 for "Prolific USB-to-Serial Comm Port"

Release Notes:


PL2303 Driver Installer v1.0.3.11

Changes from Installer v1.0.2.5:

. Fixed problem when running installer in Windows Server

Uploaded By

Diego Ospina Hernández (DG Member) on 20-Jul-2009

Most Helpful Reviews

8 of 8 people found the following review helpful:
Luis Nuez
Tested on Windows 10
25 Jan 2019
(36 minutes after download)

Installation: 5 out of 5
Stability: 5 out of 5
Compatibility: 5 out of 5
"I had problems with the usb-serial controler on windows 10, I tried this controller and worked great. I use this to configure protection relays."
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9 of 9 people found the following review helpful:
John Icefall
Tested on Windows 7 x64
17 May 2015
(5 minutes after download)

Installation: 5 out of 5
Stability: 5 out of 5
Compatibility: 5 out of 5
"Simple and clean. just the drivers, no additional software that needs to be removed again. very happy."
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See all Prolific PL-2303 - Cable (CA-42 Generic) ratings and reviews

How to Update PL-2303 - Cable (CA-42 Generic) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the PL-2303 - Cable (CA-42 Generic) driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Prolific PL-2303 - Cable (CA-42 Generic) into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Prolific Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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