Prolific - Ports - 7 29 2019 12:00:00 AM - 4.0.1.0 Driver 4.0.1.0
by Prolific8.18764-bit32-bitSHA-256 verified
- Manufacturer
- Prolific
- Device
- Prolific - Ports - 7 29 2019 12:00:00 AM - 4.0.1.0
- Driver version
4.0.1.0- Release date
- July 29, 2019
- Supported Windows
- Windows 8.1, Windows 8, Windows 7
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 156 KB
- File name
41661106-2e19-424e-afe5-a1666a112b0b_1875615b422a61443ee66912b261b1891582d57a.cab- Digital signature
- Signed - catalog
acm2pl.cat - INF version
07/29/2019,4.0.1.0- INF provider
- Prolific
- Device class
- Ports
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
a633668471a817dcf923c6745e9f5bb4e37fff9440564a1abfa580485eb8a41f
Supported hardware IDs (4)
- USB\VID_067B&PID_2503&MI_00
- USB\VID_067B&PID_2502&MI_00
- USB\VID_067B&PID_2502&MI_02
- USB\VID_067B&PID_2503&MI_02
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).