How to update or remove ftdibus.sys without losing USB device support?

My CNC machine uses an FTDI USB interface. Memory Integrity is disabled because of ftdibus.sys, but if I uninstall it, the CNC software won’t connect. Is there a way to update the driver so I can keep using the device and turn on Memory Integrity?

Tagged: Windows 11

Windows

All Replies

Viewing 1 replies (of 1 total)

Mira Lennox Lennox

Participant

August 12, 2025 at 6:22 am

Just download the latest FTDI drivers from their official website. Then, go into Device Manager, uninstall the old driver, and if you can, delete the driver software too. After that, install the new driver and plug your device back in. That should let you turn on Memory Integrity without losing USB support. If it’s still giving you trouble, check for firmware updates or reach out to the device maker for help.

Viewing 1 replies (of 1 total)