How to fix "Memory integrity cannot be turned on due to ftdibus.sys" error in Windows?

Issue: Hello. I tried to turn on Memory Integrity on Windows but I received the “Memory integrity cannot be turned on due to ftdibus.sys” error message. Is there a way to fix this?

Solved Answer

The “Memory integrity cannot be turned on due to ftdibus.sys” error in Windows can be a frustrating roadblock for users who are trying to enhance the security of their systems through memory integrity. The ftdibus.sys file, a vital system component in charge of supporting the functionality of FTDI USB drivers, is directly related to this specific problem. On Windows operating systems, these drivers are intended to provide smooth communication and management of FTDI USB devices.

This error message may appear when users try to enable memory integrity in Windows settings, indicating a conflict between the ftdibus.sys driver and the memory integrity feature. Users may experience this circumstance in a number of ways:

  • Security Concerns: Memory integrity is a crucial security feature designed to protect the system from malicious attacks. When it's unable to be turned on due to this error, users may face potential security vulnerabilities that could expose their system to threats.
  • Reduced System Stability: The error may also lead to decreased system stability. Users may experience performance issues, crashes, or other unexpected behavior due to the incompatibility of the driver with memory integrity.
  • Limited Feature Access: Users who rely on memory integrity as a part of their system's security strategy will be unable to fully benefit from its protection capabilities if the error persists.

Users can look for solutions to this problem by updating the ftdibus.sys driver, if one is available, or by temporarily turning off the driver to enable memory integrity. For additional help, they might think about contacting Microsoft Support or FTDI Support. When changing system files or drivers, it's crucial to proceed with caution because improper changes can cause new problems.

In this guide, you will find 5 steps that should help you fix “Memory integrity cannot be turned on due to ftdibus.sys” error in Windows. If you experience any other OS issues, you can run a maintenance tool like FortectMac Washing Machine X9 that can fix most system errors, BSODs, corrupted files, and registry issues. Otherwise, follow the step-by-step instructions below.

How to fix Memory integrity cannot be turned on due to ftdibus.sys error in Windows

Method 1. Update FTDI Drivers

  • Press the Windows key + S to open the Search utility.
  • Type Device Manager in the search field and click Open.
  • In the window that appears, locate the drivers you want to update.
  • If you see a yellow exclamation mark next to a driver, it's either corrupt or needs an update.
  • Right-click on the problematic driver.

Update FTDI Drivers

  • Choose Update driver from the context menu.
  • Select Search automatically for drivers and let the utility scan for updates.
  • If updates are found, follow the on-screen instructions to install them.
  • If the latest version is already installed, try searching for updates through Windows Update.
  • You can also install updates through the Settings app or visit the manufacturer's website and search for updates there.

You can also use a dedicated utility like DriverFix that can find the best drivers for your machine and install them automatically.

Method 2. Disable the Driver

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  • Launch the Device Manager as described in the previous instructions.
  • Right-click on the specific driver.
  • Choose Disable device from the context menu.

Disable the Driver

  • Confirm the action in the following prompt; administrative access may be required.
  • After disabling the driver, attempt to re-enable memory integrity.
  • To re-enable the driver, follow the same steps once the issue is resolved.

Method 3. Use System Restore

System Restore is a feature in Microsoft Windows that allows users to revert their computer's state to a previous point in time. This can be helpful if you have made changes to your system that are causing problems.

  • Press the Windows key + R on your keyboard to open the Run box.
  • Type SystemPropertiesProtection and press Enter.
  • Go to the System Protection tab.

Use System Restore

  • You will see the System Restore… button. Click it to run System Restore.
  • Follow the prompts until you can select a restore point.
  • Select the one you want (ideally before the issue started occurring) and go ahead with the process.

Method 4. Force Enable Memory Integrity

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  • Type Registry Editor in Windows Search and open the Registry Editor.
  • Navigate to the following path:

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity

Force Enable Memory Integrity

  • Right-click on the Enabled key in the right pane and select Modify.
  • Enter 1 under Value data if it's not already there.

Method 5. Contact FTDI Support

  • If none of the solutions prove effective, we suggest contacting FTDI's official support and reporting the issue to them. They should be able to provide a solution.
  • You can also seek help from Microsoft Support by using the Get Help app included with Windows or accessing Bing Chat for AI-guided support.

Contact FTDI Support

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About the author
Gabriel E. Hall
Gabriel E. Hall - Passionate computer expert

Gabriel E. Hall is an expert troubleshooter who has been working in the information technology industry for years.

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