microsoft network adapter multiplexor driver - SiS191 Ethernet Controller

Looking for the microsoft network adapter multiplexor driver and not sure which file fits your system? You’re in the right place. Below you’ll find a safe, direct driver package for the SiS191 Ethernet Controller device, along with supported systems, version info, and clear install steps to get you up and running quickly.

Download details - SiS191 Ethernet Controller

Device type: Network Adapters

Supported OS: Windows 10 32 & 64bit, Windows 8.1 32 & 64bit, Windows 7 32 & 64bit, Windows Vista 32 & 64bit, Windo

Driver version: 5.10.01.4151

File name: driver94390.zip

Date added: 2008-05-01

Tip: Always back up your current drivers before updating, and create a restore point for easy rollback if needed.

Click on the download link

How to install

Troubleshooting common issues

• Device not recognized: Ensure you selected the correct INF for your hardware ID (Device Manager → Properties → Details → Hardware Ids). Try updating from the extracted folder again.
• Code 10 / Code 28 errors: Uninstall the device in Device Manager → check “Delete the driver software for this device” → restart → install again using the steps above.
• Multiplexor confusion: The microsoft network adapter multiplexor driver is a Windows networking component used for NIC teaming/bridging. It usually isn’t installed via a separate download. If you’re troubleshooting that item specifically, update your actual NIC drivers first, then configure teaming in your NIC vendor utility.
• Signature enforcement: On older Windows, unsigned drivers can fail to load. Boot with driver signature enforcement disabled temporarily, install, then re‑enable.
• Rollback: If performance issues appear after update, roll back the driver in Device Manager or restore your previous system point.

FAQ

What is the microsoft network adapter multiplexor driver?
It’s a built‑in Windows protocol used when you create a network team or bridge. You typically don’t need to install it manually. Updating your NIC drivers and enabling teaming through the vendor tool will activate it automatically.

Which operating systems does this SiS191 Ethernet Controller package support?
Supported OS: Windows 10 32 & 64bit, Windows 8.1 32 & 64bit, Windows 7 32 & 64bit, Windows Vista 32 & 64bit, Windo.

What version is included here?
This package is version 5.10.01.4151.

Is this the right file to fix microsoft network adapter multiplexor driver errors?
Often, those errors are resolved by updating your network adapter’s own driver first. Install this SiS191 Ethernet Controller package only if it matches your device. For multiplexor‑specific issues, ensure your NIC vendor software is up to date and teaming is configured properly.

What device type is this driver for?
Device type: Network Adapters. Always match the driver to your actual hardware model.

Why get your drivers here

driverfiles.net provides curated, safe driver packages with clear metadata and install guides. Files are hosted for reliable delivery, kept in their original form, and paired with step‑by‑step instructions so you can resolve microsoft network adapter multiplexor driver‑related issues quickly and safely.