May 14, 2026 - Double-click on the "Prolific PL2303GT USB Serial COM Port" entry to open the properties and verify the adapter is recognized correctly without a "Code 52" unsigned driver error and that the device status shows "This device is working properly". ... My DisplayLink-based USB Docking Station or USB Video Adapter Is Not Working As Expected with a Windows computer

Alternatively, you can use a free third party tool like 7-Zip to extract the files. ... Navigate to the extracted folder and locate the setup file, typically named something like PL23XX-M_LogoDriver_Setup_xxx_xxxxxxxxxx.exe. Right click and run the file as an Administrator. To install drivers and applications it is typical for the need for administration rights. ... Plug in your device containing the Prolific USB to Serial device.

October 1, 2020 - Download the latest drivers for your Plugable PL2303-DB9 USB Serial Adapter. Please note, these may not be the latest drivers, but they are the ones we recommend. Additional drivers, provided directly by Prolific, can be found on this page .

The Prolific USB-Serial adapter ... needs to be reinstalled and the customer does not have the disk, the driver can be found by searching the Internet. Note: For Windows 7 computers, you ......

Latest PL2303 Windows drivers on the Prolific website ... GUID: 618D450A-B26A-4CB2-ABCA-F59C209B312E PL2303GC / GC_Q20 / GS / GT / GT_2AB / GL / GE / GR / GD: ... WDF WHQL Driver: v5.1.9.0 (7/23/2025) Windows 7 / 8.1 / 10 Server 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 / 2019 (32 & 64-bit) PL2303HXD / EA / RA / SA:

October 17, 2023 - These will include the USB to Serial devices which this is. Even if it has another brand name, Windows will updated at it based on the hardware ID’s it reads. Much like the ASUS and HP brands the Prolific hardware ID will be used. ... Now under the Windows updates the hardware ID PL2303G_DLL_Win10_20H2_RS5_Win81_Win7_v5.1.3.0_20211213 is the driver certification for the Windows 7, Windows 8.1 as well as Windows 10 both 32bit as well as the 64bit version.

Use the links on this page to download the latest version of Prolific USB-to-Serial Comm Port drivers. All drivers available for download have been scanned by antivirus program. Please choose the relevant version according to your computer's operating system and click the download button. ... Supported OS: Windows 10 64 bit, Windows 8.1 64bit, Windows 7 64bit, Windows Vista 64bit, Windows XP 64bit

A few seconds later you will get a balloon popup that says "Device driver software was not successfully installed" 6) Launch Device Manager. [ Start | Right-click Computer | Properties | Device Manager ] You will see one of the following errors in Device Manager. In 'Other Devices' the 'USB-Serial Controller' is proceeded by a YELLOW warning. OR In 'Ports (COM & LPT)' the 'Prolific USB-to-Serial Comm Port (COMx)' will appear. 7) Right-click on the entry with the error to open a window and select "Update driver software..."

This Windows driver is compatible with Windows Vista & Windows 7. ... Keep all your drivers and devices permanently updated and working correctly. ... This program can be used to set/use the USB interface via the serial comm mode.

Get the latest official Prolific USB-to-Serial Comm Port port (COM/LPT/Serial) drivers for Windows 11, 10, 8.1, 8, or 7. Update drivers using the largest database.

Install Prolific PL2303G USB Serial COM Port driver for Windows 7 x64, or download DriverPack Solution software for automatic driver installation and update.

November 12, 2022 - Supports the following Windows OS Family (32 and 64 bit): - Windows 7 - Windows Server 2008R2 - Windows 8 - Windows Server 2012 - Windows 8.1 - Windows Server 2012R2 - Windows 10 (TH1/TH2/RS1/RS2/RS3/RS4/RS5/19H1/19H2/20H1/20H2/21H1) - Windows Server 2016 - Windows Server 2019 - also compatible with POSReady and Windows Embedded Industry · NOTE: - Windows 98/ME/2000/XP driver technical support are discontinued. Supported device ID and product strings: . VID_067B&PID_23A3 for 'Prolific PL2303GC USB Serial COM Port' (PL2303G series) .

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Prolific PL-2303 Driver Setup Installer for Windows 7 and 8 (32bit and 64bit) - ThinkCentre M72e, M92, M92p, M93, M93p

May 25, 2012 - The root cause is clear – the Prolific USB-to-Serial driver is not compatible with Windows 7 because it is unsigned. Despite me choosing to install the driver anyway, Windows still refused to install it.

July 9, 2023 - After some Googling, I downloaded alternative USB Drivers from · http://www.usglobalsat.com/download/546/win_drivers.zip (cached: win_drivers.zip). Unpack and install (PL2303_Prolific_GPS_AllInOne_1013.exe), insert the USB programming cable. This ...

February 25, 2009 - I found the link to the Vista driver in this thread and it installed in Windows 7 32-bit. thanks to whomever posted that link: Windows Vista driver for prolific chip USB Serial Adapters Windows Vista

December 17, 2023 - In this article, we will show you how to download and install the Prolific USB to Serial Controller driver version 3.3.3.114, which is compatible with Windows 11 (64-bit), Windows 10 (32 & 64-bit), Windows 8.1 (32 & 64-bit), Windows 7 (32 & 64-bit), and Windows Server 2016, 2012, 2008 (32 & 64-bit).

Use the links on this page to download the latest version of Prolific USB-to-Serial Comm Port (COM3) drivers. All drivers available for download have been scanned by antivirus program. Please choose the relevant version according to your computer's operating system and click the download button.