Methods to fix the ftdibus.sys Memory Integrity Issue on Windows

Windows 11 and 10 come bundled with a slew of advanced security features that help safeguard user data from unwanted malware attacks. Among those security features is Memory Integrity – a feature that protects the core functions and Windows processes against various virus infections.

While this is an essential security feature of Windows, sometimes, users run into unexpected errors and encounter the ‘memory integrity cannot be turned ON due to ftdibus.sys’ error message. This strange error message is rare but can perplex any user. Let’s move further and learn more about this process and the related error in detail.

What is ftdibus.sys Process?

The ftdibus.sys is a system process associated with FTDIBUS driver installed by default on a Windows PC. This process belongs to USB devices using FTDICHIP CDM Drivers designed by FTDI or Future Technologies Devices International. The main purpose of this process is to allow the computer to communicate and control connected FTDI USB devices.

Reasons Behind the ‘Memory integrity cannot be turned on due to ftdibus.Sys’ Error

As mentioned before, users encounter the ‘memory integrity cannot be turned ON due to ftdibus.sys’ error message while using a USB device with an FTDI chip inside. The error is caused due to an incompatible or malfunctioning driver, buggy or outdated driver, or outdated Windows OS.

Methods to Fix the ftdibus.sys Error Message

Now that we know why the ftdibus.sys prevents the Memory Integrity from initializing, let’s discuss some methods to fix this error.

Method 1: Restart the Computer

Restarting a computer refreshes the system cache and memory, thereby eliminating any errors and bugs that might be causing issues, such as the ftdibus.sys issue.

Method 2: Install BIOS updates (if available)

Outdated BIOS can sometimes trigger some services and processes that could lead to error messages like the ‘memory integrity cannot be turned ON due to ftdibus.sys’ on Windows computers. In such a scenario, it is wise to look for any available updates on your motherboard’s manufacturer’s website and install them. Doing so will help you resolve the ftdibus.sys error.

Method 3: Update Windows OS

As the ftdibus.sys is a system process related to Memory Integrity – a security feature protecting Windows processes against malware attacks, running outdated Windows OS can make your computer vulnerable to viruses and bugs. Hence, it is a good practice to keep the OS updated. To update Windows –

• Press Windows + I to open the Settings app.
• Click on Update & Security.
• Click on Windows Update in the left pane.
• Install available updates.

Method 4: Update Device Drivers

As the ftdibus.sys process is related to USB drivers, updating them can help you fix the problem causing the ‘memory integrity cannot be turned ON due to ftdibus.sys’ error message on your Windows 11/10 PC. To do this –

• Press WINDOWS + R to open RUN.
• Type Control Panel and press Enter to open it.

• Click on Device Manager.

• Expand Universal Serial Bus controllers to view the entries under it.
• Right-click on each entry and click on Update driver.

• Click on the Search automatically for drivers option.
• Once the updated drivers are installed, close everything and Restart your computer.

Note – You can go to the following pages and look for suitable driver updates – Page 1 & Page 2

Method 5: Contact Customer service for Help

The above-mentioned methods should help you fix the ftdibus.sys error message. However, if none of these work, you can contact the FTDI support team for resolution.

How to Access Data on an Inaccessible USB Storage Drive?

As the ftdibus.sys is related to USB drivers and ports, there are chances of a USB drive becoming inaccessible or not showing in ‘My PC’. For this, you can take the help of a professional data recovery software like Stellar Data Recovery Professional. Using this software’s Can’t find my drive feature, you can easily locate and recover data from an inaccessible storage drive.

Wrapping Up

To sum it up, like any other system file, the ftdibus.sys is a system process related to an FTDI chip-enabled USB device. However, due to corruption or bugs, it can run into problems, leading to the ‘memory integrity cannot be turned ON due to ftdibus.sys’ error message.

With the methods explained above, you can easily resolve this issue in no time. To end it all, you can also try doing an in-place Windows upgrade to easily resolve the ftdibus.sys-related issues. For Windows 10 & Windows 11.