4 Ways to Fix Driver Issue with Error Code 39 in Device Manager

Jun. 14, 2019 / Updated by Bessie Shaw to Windows Driver Solutions

Code 39 error, with the exact message “Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)”, is one of scores of device manager driver errors. As the message indicates, it appears mostly when when Windows operating system cannot load the driver for the hardware. Windows operating system includes all commonly used systems: Windows 10, Windows 8.1 / 8, Windows 7, Windows Vista, Windows XP.

It could apply to any devices such as sound card, video card, USB devices, and even motherboard. And there could be several additional messages such as
{Path Not Found} The path %hs does not exist”;

{Bad File} The attributes of the specified mapping file for a section of memory cannot be read”;

{Unable to Load Device Driver} %hs device driver could not be loaded. Error Status as 0x%x”;

And more...

code-39-error-device-manager.jpg

Causes of Driver Issue (Code 39 Error)

1. Corrupted or missing / outdated driver.

2. A file within a device driver is referencing a missing or corrupted binary file.

3. Incorrect registry values.

4. System issues such as damaged system files.

5. The file I/O process has encountered a problem.

6. Hardware failure.

How to Fix the Driver Issue with Code 39 Error

The below methods are some of common fixes for the driver issue of code 39 error. You can try them one by one until you find the one that works.

Method 1: Update Device Driver (Uninstall and Reinstall Driver)

Since corrupted or missing driver is one of the main causes of code 39 error problem, updating the device driver is the first fix that you could have a try.

To update the device driver, you have multiple ways. Here we recommend the automatic way by using the software Driver Talent.

Note: The essence of updating device driver is to uninstall the old driver and install a new and matched one for the hardware device. So it is the same when someone recommends you to uninstall and reinstall the driver to fix this issue. (Here the update means making a change)

Step 1: Download the driver updating software Driver Talent from the button below. And install it on your computer.

Download Now

Step 2: Launch it and click Scan button on the first interface.

Step 3: When scan is done, you will have a complete list of your main hardware drivers listed under 3 categories according to its status: Need to be repaired; Updateable; Normal.

If the device driver that has code 30 error is listed under “Need to be repaired”, please click Repair. If it is listed under “Updateable”, please click Update. If it is listed under “Normal”, please click Reinstall. This will ensure the update of your device driver.

scan-result.jpg

Step 4: When the process is done, restart your computer to let the driver change take effect.

Method 2: Delete UpperFilers and LowerFilers Values in Registry Editor

If the code 39 driver error is related with registry values, you can make some changes accordingly to fix it.

Note: Changes to registry is irreversible. It may bring new problems to your computer if you operated incorrectly on the registry change. So please take caution when altering the registry values.

Follow the steps in the below to edit the registry.

Step 1: Press Win key and R key on the keyboard simultaneously to open the Run box.

Step 2: Input “regedit” in the Run box and press Enter to open the Registry editor. Click Yes when prompted to confirm the program launch.

edit registry

Step 3: Navigate to the path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Control\Class\ and find the next path according to your problematic device. The table below listed the path for some common devices.

Device

Class

GUID

DVD/CD-ROM drives

CDROM

4D36E965-E325-11CE-BFC1-08002BE10318

Disk drives

DiskDrive

4D36E967-E325-11CE-BFC1-08002BE10318

Display adapters

Display

4D36E968-E325-11CE-BFC1-08002BE10318

Floppy drive controllers

FDC

4D36E969-E325-11CE-BFC1-08002BE10318

IDE ATA/ATAPI controllers

HDC

4D36E96A-E325-11CE-BFC1-08002BE10318

Keyboards

Keyboard

4D36E96B-E325-11CE-BFC1-08002BE10318

Sound, video and game controllers

MEDIA

4D36E96C-E325-11CE-BFC1-08002BE10318

Modems

Modem

4D36E96D-E325-11CE-BFC1-08002BE10318

Monitors

Monitor

4D36E96E-E325-11CE-BFC1-08002BE10318

Mice and other pointing devices

Mouse

4D36E96F-E325-11CE-BFC1-08002BE10318

Network adapters

Net

4D36E972-E325-11CE-BFC1-08002BE10318

Ports (COM & LPT)

Ports

4D36E978-E325-11CE-BFC1-08002BE10318

Printers

Printer

4D36E979-E325-11CE-BFC1-08002BE10318

Storage controllers

SCSIAdapter

4D36E97B-E325-11CE-BFC1-08002BE10318

System devices

System

4D36E97D-E325-11CE-BFC1-08002BE10318

Other devices

Unknown

4D36E97E-E325-11CE-BFC1-08002BE10318

Floppy disk drives

FloppyDisk

4D36E980-E325-11CE-BFC1-08002BE10318

IEEE 1394 Bus host controllers

1394

6BDD1FC1-810F-11D0-BEC7-08002BE2092F

Imaging devices

Image

6BDD1FC6-810F-11D0-BEC7-08002BE2092F

Human Interface Devices

HIDClass

745A17A0-74D3-11D0-B6FE-00A0C90F57DA

Bluetooth Radios

Bluetooth

E0CBF06C-CD8B-4647-BB8A-263B43F0F974

Please check the device from the Data in the registry values as below to make sure you edited the correct device registry.

edit-registry-values.jpg

Step 4: After you located the correct path for the device, please delete the values for the following registry keys: LowerFilters, LowerFilters.bak, UpperFilters, UpperFilters.bak. If there is no UpperFilters or LowerFilters in the registry, this method is not for you.

Step 5: Close the registry editor and restart your computer.

Method 3: Reinstall System or Perform a System Restore

If the above 2 methods can't fix your issue, you may perform a system reinstall or a system restore. System reinstall can always fix most of your computer issues. Please make sure to backup the data before reinstalling Windows. If you have created a system restore point before, you can also try to undo the changes by restoring to a previous system restore point. Driver Talent will automatically create a system restore point before installing a driver. You can create a system restore point by yourself as well.

create-system-restore-point.jpg

Method 4: Replace the Hardware Device

If reinstalling cannot fix the issue, it might be a hardware fault/failure. Try with a new hardware device or carry your computer to a repair store.

Please share your opinion whether you fixed your issue with one of the methods above, or with a solution that is not mentioned in this article. Your opinion is important for other users and us.

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