Security Setting Prevents Driver Loading in Windows: How to Fix It

Section 01

What Does “A Security Setting Is Preventing This Driver from Loading” Mean?

Windows may show a message similar to “A security setting is preventing this driver from loading” when a driver is outdated, incompatible with modern kernel protection, unsigned, poorly signed, or known to be vulnerable. The device or program that depends on that driver may stop working, fail to start, or appear with an error in Device Manager.

⚠️

A security setting is preventing this driver from loading

This usually points to a driver trust or compatibility problem, not to a normal application error.

The most common reason on current Windows installations is Core isolation → Memory Integrity. This security feature helps protect the Windows kernel from malicious code, but it can block older kernel-mode drivers that do not meet current security requirements.

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Important Do not start by disabling security features. In most cases, the better solution is to install a newer driver, remove the obsolete driver, or update the software package that installed it.

Section 02

Common Causes of Driver Loading Blocks in Windows 10 and Windows 11

Several Windows security mechanisms can block a driver before it loads. The table below helps identify the most likely cause.

Cause	Typical Symptom	Best Fix
Old driver incompatible with Memory Integrity	The warning appears after enabling Core isolation or after a Windows update	Install a newer driver from the device or PC manufacturer
Vulnerable or blocked driver	Security warning appears even though the device used to work	Replace the driver or uninstall the old utility that installed it
Unsigned or incorrectly signed driver	Driver installation fails, or Device Manager shows a driver signature error	Use a properly signed driver package for your Windows version
Old hardware utility	RGB, fan control, monitoring, printer, scanner, VPN, or antivirus component fails	Update or remove the whole software suite, not only the device driver
Corrupted driver store entry	The same blocked driver comes back after reboot	Delete the driver package from Device Manager or with `pnputil`

Section 03

Before You Start: Identify the Driver That Windows Is Blocking

Before changing Windows Security settings, find out which driver file is causing the block. The file name often ends in .sys and may belong to a device driver or to a hardware management utility.

Open Windows Security.
Go to Device security.
Open Core isolation details.
If Memory Integrity cannot be enabled, select Review incompatible drivers.
Write down the driver file name, provider, and product name if shown.

You can also check Device Manager:

Win + X→Device Manager→Device Properties→Driver

⚠️

Backup first If the affected device is essential, such as storage, network, keyboard, mouse, or encryption software, create a restore point before removing drivers.

Section 04

Fix 1: Update the Blocked Driver from the Manufacturer

The safest fix is to replace the blocked driver with a current, signed, Windows-compatible version. This keeps Memory Integrity and other security protections enabled.

Recommended

PC manufacturer website

Use this first for laptops and branded desktops. Search by exact model, service tag, or serial number.

Best match

Alternative

Device manufacturer website

Use this for graphics cards, Wi-Fi adapters, printers, scanners, USB devices, and professional hardware.

Manual install

Useful

Software suite update

Update the full utility if the blocked driver belongs to RGB control, fan control, VPN, antivirus, backup, or monitoring software.

Suite driver

How to update safely

Find the exact PC or device model.
Download the newest driver package for Windows 10 or Windows 11.
Run the installer as administrator.
Restart Windows even if the installer does not request it.
Open Windows Security again and check whether the warning disappeared.

✅

Best practice Prefer official driver packages over random driver archives. A blocked kernel driver is a security-sensitive component, so the source matters.

Section 05

Fix 2: Remove the Old or Incompatible Driver Completely

If the blocked driver belongs to hardware or software you no longer use, removing it is usually better than disabling Windows security. Old VPN clients, phone tools, RGB utilities, overclocking tools, backup software, and printer packages commonly leave kernel drivers behind.

Remove the program first

Open Settings.
Go to Apps → Installed apps.
Find the related utility or device software.
Select Uninstall.
Restart Windows.

Remove the driver from Device Manager

Right-click Start and open Device Manager.
Open the device category, or use View → Show hidden devices.
Right-click the device and choose Uninstall device.
If available, check Attempt to remove the driver for this device or Delete the driver software for this device.
Restart Windows.

Section 06

Fix 3: Check Memory Integrity in Windows Security

Memory Integrity is part of Core isolation. It can prevent incompatible kernel-mode drivers from loading. If a driver is blocked, Windows is telling you that the driver does not meet the required security standard.

Windows Security→Device security→Core isolation→Memory integrity

Keep enabled when possible

Better protection against kernel-level malware
Useful on modern Windows 11 systems
Prevents many unsafe legacy drivers from loading

May block old drivers

Older utilities may stop working
Some unsupported hardware may need replacement
Temporary disabling reduces protection

If you absolutely must use an old device temporarily, you may see advice to turn Memory Integrity off. Treat that only as a temporary workaround, not as the main fix. Update or replace the driver as soon as possible.

⛔

Security warning Do not permanently disable Memory Integrity just to keep an obsolete utility running. A driver that Windows blocks can create a low-level attack surface.

Section 07

Fix 4: Install Windows Updates and Optional Driver Updates

Windows Update may provide a newer compatible driver, especially for common chipsets, audio devices, Bluetooth adapters, Wi-Fi adapters, printers, and USB controllers.

Open Settings.
Go to Windows Update.
Click Check for updates.
Open Advanced options.
Open Optional updates.
Expand Driver updates and install relevant updates.
Restart Windows.

If Windows Update installs a generic driver and the device still does not work correctly, replace it with the driver from the PC or device manufacturer.

Section 08

Fix 5: Reinstall the Device Driver in Device Manager

If the driver is corrupted or partially installed, reinstalling the device can force Windows to rebuild the driver configuration.

Press Win + X and select Device Manager.
Right-click the problematic device.
Select Uninstall device.
Check the driver removal option if Windows offers it.
Restart the computer.
Install the latest official driver package.

Use pnputil if the old package remains

Advanced users can list third-party driver packages and remove a known obsolete package from the driver store.

Command Prompt or Windows Terminal as Administratorpnputil /enum-drivers

Find the related published name, such as oem42.inf, then remove it only if you are sure it belongs to the obsolete driver:

Remove a known obsolete driver packagepnputil /delete-driver oem42.inf /uninstall /force

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Be careful Removing the wrong driver package can break a working device. Do not delete storage, encryption, network, or input drivers unless you fully understand what they are.

Section 09

Fix 6: Understand the Windows Vulnerable Driver Blocklist

Windows can block drivers that are known to be vulnerable or commonly abused by malware. This can affect older versions of hardware monitoring tools, motherboard utilities, anti-cheat components, VPN clients, disk tools, and security software.

🧱 Protection Blocks risky kernel drivers

🔄 Fix Update or replace software

🧹 Cleanup Remove abandoned drivers

If the blocked driver belongs to an old utility, do not try to force it to load. Install the latest version of that utility or use a safer alternative. If the vendor has not updated the driver for years, the software may no longer be suitable for a modern Windows installation.

Section 10

Advanced Checks for Stubborn Driver Security Blocks

If the warning continues after updating and uninstalling the driver, use the checks below to locate leftover components.

Check driver file properties

Search the driver file name shown by Windows Security.
Right-click the file and open Properties.
Check the Digital Signatures tab.
Check the Details tab for product name, company, and version.

Search installed driver packages

List installed third-party driverspnputil /enum-drivers

Repair Windows system files

If driver security warnings appear together with system instability, repair Windows component files before continuing.

Run as AdministratorDISM /Online /Cleanup-Image /RestoreHealth
sfc /scannow

Check Event Viewer

Event Viewer may contain driver loading errors, signature validation messages, or service startup failures.

Win + X→Event Viewer→Windows Logs→System

Section 11

What You Should Not Do When Windows Blocks a Driver

Because this problem involves kernel-mode code, unsafe fixes can make the computer less secure or unstable.

Do not download random .sys files from driver archive websites.
Do not disable driver signature enforcement as a permanent solution.
Do not turn off Memory Integrity permanently for an abandoned utility.
Do not install drivers made for a different device model or Windows version.
Do not ignore repeated security warnings from Windows Security.

✅

Correct approach Replace blocked drivers with current signed versions, remove abandoned software, and keep Windows security features enabled whenever possible.

Section 12

Frequently Asked Questions

Q Is the blocked driver definitely malware? ▼

No. A blocked driver is not automatically malware. It may simply be old, poorly signed, incompatible with Memory Integrity, or included in a vulnerable driver blocklist. However, because kernel drivers have high privileges, you should treat the warning seriously.

Q Can I just turn off Memory Integrity? ▼

You can turn it off in Windows Security, but it is not the recommended long-term fix. Use that only as a temporary workaround if you fully trust the driver and need the device urgently. The safer solution is to update or replace the driver.

Q Why did the problem appear after a Windows update? ▼

A Windows update may enable newer security protections, update driver compatibility rules, or expose an old driver that was already installed. The driver may have worked before but no longer satisfies current Windows security requirements.

Q What if there is no newer driver? ▼

If the hardware vendor no longer provides compatible drivers, the realistic options are to replace the device, use a supported alternative, or keep the old driver only on a separate non-critical system where reduced security is acceptable.

Q Does reinstalling Windows fix this issue? ▼

A clean Windows installation can remove leftover driver packages, but the same error will return if you reinstall the same incompatible driver or utility. Try driver cleanup and official updates before reinstalling Windows.

🎯 Final Verdict

If Windows says that a security setting is preventing a driver from loading, the best fix is not to weaken Windows protection. First identify the blocked .sys file, update the related device driver or software suite, remove obsolete packages, and install Windows optional driver updates.

Disable Memory Integrity only as a temporary last resort, and only when you understand the risk. For most users, replacing the old driver with a modern signed version solves the problem while keeping Windows Security fully enabled.