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Resolving Code 39: Fix Windows Driver Issues and Restore Device Functionality

Windows Cannot Load the Device Driver Code 39 and How to Resolve Driver IssuesIf you’re encountering error code 39, where Windows cannot load the device driver, you’re not alone. Many users have experienced this frustrating issue, which can prevent hardware devices from functioning properly.

This article will guide you through the possible causes of code 39, such as outdated driver packs, corrupt system files, and hardware failures. Additionally, we’ll explore the steps you can take to resolve these driver issues, from preliminary checks to specific troubleshooting techniques.

Understanding Windows Cannot Load the Device Driver Code 39

Before delving into the solutions, it’s important to have a clear understanding of what code 39 entails. Code 39 is an error in the Windows operating system that occurs when attempting to use a particular hardware device.

This error is typically caused by a driver-related problem and can manifest in a variety of ways. The most common symptom is the inability to access the hardware device, accompanied by an error message stating that Windows cannot load the device driver.

Windows Cannot Load the Device Driver Code 39 – Possible Causes

There are several possible causes for code 39, and identifying the root cause is crucial in order to implement the appropriate solution. Some potential causes of this error include:

– Corrupt or missing drivers: Outdated or corrupted drivers can prevent Windows from loading the device driver properly.

– Hardware failure: In some cases, the error may arise due to a hardware malfunction or failure. – Corrupt system files: Corruption within the system files can disrupt the loading of device drivers.

Troubleshooting Code 39 – Resolve Driver Issues

Resolving code 39 requires a systematic approach. Here are the steps you can follow to troubleshoot and fix driver issues effectively:


Preliminary checks:

– Ensure that the hardware device is properly connected to your computer. – Check for any physical damage to the device or cables.

– Restart your computer to eliminate any temporary glitches. 2.

Perform an antivirus scan:

– Use reliable antivirus software to scan your system for any malware or viruses that may be affecting the drivers. 3.

Restart in safe mode:

– Booting your computer in safe mode can help identify any software conflicts that may be causing the error. – To restart in safe mode, press the F8 key repeatedly during the boot process and select the “Safe Mode” option.

4. Consult the Windows Hardware Compatibility List:

– In some cases, code 39 can be caused by an incompatible hardware device.

Check the Windows Hardware Compatibility List to ensure your device is supported.

Resolving Code 39 – Update Windows Drivers and More

Update Windows Drivers for Code 39 Fix

One of the most common causes of code 39 is outdated drivers. To update your Windows drivers, follow these steps:


Access Windows Settings:

– Open the Start menu, click on the gear icon, and select “Settings.”

2. Go to “Update & Security”:

– In the settings menu, click on “Update & Security.”


Navigate to “Windows Update”:

– Choose the “Windows Update” tab from the left-hand menu. 4.

Select “Advanced options”:

– Click on “Advanced options” to access additional update settings. 5.

Check for optional updates:

– Within the advanced options, click on “View optional updates.”

Further Troubleshooting Techniques

If updating your Windows drivers did not resolve code 39, there are additional steps to try:

1. System Restore:

– Use System Restore to revert your computer to a previous working state.

This can eliminate any system file corruption that might be causing the issue. 2.

Rollback the driver:

– If you recently updated a driver and started encountering code 39, you can roll back to the previous version. 3.

Uninstall and reinstall the driver:

– Completely uninstall the problematic driver and reinstall the latest version from the manufacturer’s website. 4.

Seek professional assistance:

– If all else fails, consult a professional technician who can diagnose and resolve the issue. Conclusion:

Resolving driver issues can be a daunting task, but with the right guidance, you can overcome the frustration of Windows cannot load the device driver code 39.

By understanding the possible causes and following the troubleshooting techniques outlined in this article, you’ll be well-equipped to tackle this common issue. Remember to take preliminary checks, update your Windows drivers, and explore further troubleshooting options to resolve code 39 and restore the functionality of your hardware devices.

Resolving Code 39 – Run System Restore and More

Running System Restore to Fix Code 39

When all else fails, running System Restore can be a valuable tool in resolving code 39. System Restore allows you to revert your computer to a previous state where the device drivers were working correctly.

Here’s how you can use System Restore to fix code 39:

1. Access Control Panel:

– Open the Start menu and search for “Control Panel.”

– Click on the Control Panel app to open it.

2. Open Recovery:

– In the Control Panel window, select the “Recovery” option.

– This will open the Recovery window with various recovery options. 3.

Select System Restore:

– In the Recovery window, click on the “Open System Restore” option. – This will launch the System Restore wizard.

4. Choose a Restore Point:

– In the System Restore wizard, you’ll see a list of available restore points.

– Select a restore point that predates the occurrence of code 39. – If you don’t see a suitable restore point, check the “Show more restore points” box.

5. Scan for Affected Programs:

– Once you’ve chosen a restore point, click on the “Scan for affected programs” button.

– This scan will determine which programs and drivers may be affected by the system restore. 6.

Start the System Restore:

– Review the list of affected programs and click on “Next” to begin the system restore process. – The system restore process may take some time, so be patient and let it complete.

Deleting UpperFilters and LowerFilters in the Registry Editor

If code 39 persists even after running System Restore, you can try deleting the UpperFilters and LowerFilters values in the Registry Editor. These values can sometimes become corrupted and cause driver issues.

Here’s how you can do this:

1. Access the Registry Editor:

– Open the Start menu and search for “Registry Editor.”

– Click on the Registry Editor app to open it.

2. Navigate to the Class Folder:

– In the Registry Editor, navigate to the following location: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass

– This location contains several subkeys, each representing a different device class.

3. Identify the Device Class:

– Scroll through the list of subkeys until you find a key that starts with “Class” and is followed by a long string of alphanumeric characters.

– Look for the key that corresponds to the device causing code 39. You can identify the correct key by checking the driver information in the properties of the affected device in Device Manager.

4. Delete UpperFilters and LowerFilters:

– Right-click on the identified key and select “Export” to create a backup of the key, just in case.

– After creating the backup, right-click on the key again and select “Delete.”

– Confirm the deletion by clicking “Yes.”

– This will remove the UpperFilters and LowerFilters values associated with the device class. 5.

Restart your computer:

– After deleting the UpperFilters and LowerFilters values, restart your computer. – Allow Windows to reinstall the drivers for the affected device.

6. Test the device:

– Once your computer restarts, test the device to see if code 39 has been resolved.

– If the error persists, there may be an issue with the faulty hardware parts related to the device. Consider seeking professional assistance to diagnose and replace the faulty hardware if necessary.

Resolving Code 39 – Automatic Programs and Hardware Repairs

Automatic Programs for Updating Drivers and Fixing Corrupt System Files

To simplify the process of resolving code 39, you can use automatic programs that can update drivers and fix corrupt system files. These programs can automate the tasks involved in resolving driver issues and provide a more efficient solution.

One such program is Fortect, a reliable software that scans your system for outdated drivers and corrupt files, and automatically updates and repairs them. By using programs like Fortect, you can ensure that your drivers and system files are always up to date and functioning properly.

Repairing Faulty Hardware Parts and Error Activating Windows

In some cases, code 39 may be caused by faulty hardware parts. If you suspect that a hardware component is malfunctioning, you can try repairing or replacing it.

Here are some steps to help you diagnose and address hardware-related issues:

1. Identify the problematic hardware:

– If you’re experiencing code 39 with a specific hardware device, it’s possible that the hardware itself is faulty.

– Try connecting the device to another computer or testing it on a different system to determine if the issue persists. 2.

Diagnose the hardware:

– If the hardware issue is not apparent, you can use diagnostic tools to identify the problem. – Many hardware manufacturers provide diagnostic utilities that can help pinpoint the specific hardware component causing the issue.

3. Error activating Windows:

– In some cases, code 39 may prevent Windows from activating properly, especially if the error affects devices necessary for activation, such as the network adapter.

– If you are unable to activate Windows due to code 39, consider seeking professional assistance for diagnosing and resolving the issue. 4.

Seek professional assistance:

– If you’ve exhausted all options and the issue remains unresolved, it may be time to consult a professional technician. – They can diagnose the hardware problem accurately and suggest the appropriate solution, such as repairing or replacing the faulty hardware part.

By following these guidelines, you can effectively troubleshoot and resolve code 39 issues related to both software and hardware components. Remember to consult the appropriate resources, such as automatic programs for updating drivers and fixing corrupt files, as well as seeking professional assistance when needed.

Wrap-up and Additional Tools for Resolving Code 39 Issues

Reach Out with Questions, Suggestions, and Comments

If you have any questions, need further clarification, or have suggestions or comments regarding resolving code 39, feel free to reach out for assistance. Whether it’s about the steps outlined in this article or general troubleshooting advice, it’s important to seek help when needed.

Support forums, communities, and online resources can be great places to connect with others experiencing similar issues and find solutions together. Additionally, don’t hesitate to reach out to the manufacturer of your hardware device or consult a professional technician for expert guidance.

Utilize Troubleshooting Tools for Driver Issues

In addition to the manual steps discussed earlier, there are helpful tools available that can streamline the process of resolving code 39 and other driver-related issues. These tools can scan your system, identify outdated or corrupt drivers, and automatically update them for optimal performance.

One such tool is OutByte Driver Updater, a reliable and user-friendly program that can fix PC issues by updating drivers, resolving code 39 problems, and improving system stability. Here’s how you can utilize this tool:


Download and Install OutByte Driver Updater:

– Visit the official website of OutByte Driver Updater and download the software. – Run the downloaded setup file and follow the on-screen instructions to install the program on your computer.

2. Launch OutByte Driver Updater:

– After installation, launch the program from your desktop or Start menu.

3. Scan Your System:

– Once the program is launched, click on the “Start Scan” button to initiate a scan of your system.

– OutByte Driver Updater will analyze your hardware devices and detect any outdated or corrupt drivers. 4.

Review and Update Drivers:

– After the scan is complete, you’ll see a comprehensive list of drivers that require updating. – Review the list and choose to update all the drivers or select specific ones based on your needs.

– Click on the “Update” button to download and install the latest versions of the drivers. 5.

Enjoy Improved Performance:

– After the driver update process is complete, OutByte Driver Updater will provide a summary of the updated drivers and their impact on system performance. – Enjoy the benefits of updated drivers, which can enhance hardware functionality, improve system stability, and potentially resolve code 39 issues.

6. Schedule Automatic Scans and Updates:

– To ensure that your drivers remain up to date, you can schedule automatic scans and updates in the settings of OutByte Driver Updater.

– This will regularly check for driver updates and prompt you to install them, keeping your system optimized and free from code 39 errors. With the help of troubleshooting tools like OutByte Driver Updater, resolving code 39 and other driver issues becomes more straightforward and efficient.

These tools offer a user-friendly interface, comprehensive scans, and automatic updates, eliminating the need for manual driver searches and installations. By regularly maintaining your drivers with a reliable tool, you can prevent code 39 errors and ensure optimal performance of your hardware devices.


In conclusion, code 39 errors can be frustrating, but with the right steps and tools, you can overcome them. We explored various causes of code 39, ranging from outdated drivers to faulty hardware parts, and discussed effective solutions such as running System Restore, deleting UpperFilters and LowerFilters in the Registry Editor, using automatic programs, and seeking professional assistance when needed.

Remember, if you have any questions, suggestions, or comments related to resolving code 39, don’t hesitate to seek help from support forums, communities, or professionals. Additionally, troubleshooting tools like OutByte Driver Updater can streamline the process of fixing driver issues and ensure optimal performance of your PC.

By following the provided steps, utilizing appropriate tools, and staying proactive in maintaining your drivers, you can effectively resolve code 39 errors and enjoy a seamless computing experience. In summary, resolving Windows cannot load the device driver code 39 is crucial for maintaining proper functionality of hardware devices.

By understanding the possible causes, such as outdated drivers, corrupt system files, and faulty hardware, users can take proactive steps to troubleshoot and resolve the issue. From running System Restore and deleting UpperFilters and LowerFilters in the Registry Editor to utilizing automatic driver updating tools like OutByte Driver Updater, there are various effective strategies to overcome code 39 errors.

Remember, seeking help from support forums and professionals can provide valuable assistance, and regularly maintaining drivers is key to preventing future issues. By taking these steps, users can ensure optimal system performance and a seamless computing experience.

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