Ftdibus.sys [upd] Jun 2026

Ftdibus.sys is a critical system driver file that enables communication between FTDI devices and the Windows operating system. Understanding its functionality, features, and common issues can help users troubleshoot and resolve problems related to FTDI devices.

Ftdibus.sys is a kernel-mode driver file developed by FTDI Chip, a company that specializes in designing and manufacturing USB-based serial conversion chips. The file is part of the FTDI device driver package, which enables communication between FTDI devices and the Windows operating system. ftdibus.sys

To understand ftdibus.sys , one must understand its position in the Windows Driver Model (WDM) stack: Ftdibus

:Visit the FTDI Chip Drivers page to download the latest VCP or D2XX drivers. Avoid third-party "driver updater" software, as it often provides incorrect or outdated versions. The file is part of the FTDI device