Scroll down to the bottom and look for a category named .
[ Physical USB Hardware ] │ ▼ [ UsbDk.sys Filter ] ──( Capture Mode Active )──► [ Exclusive User-Mode App ] │ ( Native State Only ) │ ▼ [ Windows PnP / Native Driver ] Key Use Cases Releases · daynix/UsbDk - GitHub
This comprehensive guide will walk you through what UsbDk is, why version 1.0.22 is widely used, and how to safely download and install the installer on your 64-bit Windows system. What is UsbDk and Why Do You Need It? Download And Install Usbdk-1.0.22-x64.msi
Once the progress bar fills, click to exit the setup wizard.
It intercepts USB traffic before the Windows Plug and Play (PnP) manager applies default class drivers. Scroll down to the bottom and look for a category named
Windows may show a message (SmartScreen). This happens for unsigned or new drivers. Click More info → Run anyway .
Boot Windows into Safe Mode . Open Command Prompt as an administrator and run MsiExec.exe /XProduct-Code or use the Windows Apps & Features menu to uninstall UsbDk. 2. USB Mouse and Keyboard Stop Working Once the progress bar fills, click to exit the setup wizard
UsbDk operates as a ( UsbDk.sys ) and helper library ( UsbDkHelper.dll ). Instead of replacing your existing drivers permanently, UsbDk temporarily intercepts the device. It dynamically isolates the USB device from the PnP manager and handles raw bulk or isochronous transfers in user-mode. Once the user-mode client software closes, the hardware reverts seamlessly to its native driver.
Despite its simplicity, users may encounter errors:
The is an open-source Windows driver architecture developed by Daynix and sponsored by Red Hat, Inc. . Unlike traditional WinUSB setups, UsbDk functions as a filter driver that temporarily detaches a USB device from its native operating system stack to grant exclusive access to user-mode software.
Do you need help with a specific program that requires this (like QEMU/SPICE), or are you setting up a custom USB device?