Fix The Third-party INF does not Contain Digital Signature Information

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Incompatible or faulty drivers are responsible for more serious Windows problems. So, Updating them is essential. But, If you encounter a problem while installing or updating drivers, you should fix it immediately. This article aims to provide solutions to fix the third-party INF does not contain digital signature information.

Screenshot 1: Third-party INF does not Contain Digital Signature Information

In most cases, This type of problems appears in older PC with the modern operating systems more. Else, If you want to install an old device driver into current Windows 10, you may face the similar problem. By the way, There are pretty cool ways to fix third-party INF does not contain digital signature information problem.

Screenshot 2: The Third-party INF does not Contain Digital Signature Information

What is INF File?

.INF file is something which contains setup information for modern Windows operating system. So, When users want to install any driver or something on Windows, this OS requires a .INF file. It contains different sections that specify which data to be copied and the necessary changes to the registry and many more. But, It must include digital signature information. Modern windows won’t allow the installation without a valid signature. So, All drivers must be signed.

How to Fix The Third-party INF does not Contain Digital Signature Information

Fortunately, There are effective methods to get rid of this problem. You can have a valid and signed driver installation file or disable digital signature information asking feature. Doing any of these will fix the problem. But, I don’t recommend the last one for your security.

Solution 1: Get the Driver from Official Source

If you face this problem while installing or updating the driver, maybe the installation file is not from the official source. Because that doesn’t contain the digital signature. So, You need to download the latest driver file from the manufacturer’s website manually. After downloading the file, install it on your PC. Hopefully, you won’t see the message “The third-party INF does not contain digital signature information.”

Solution 2: Update/Install Driver Using Third-Party Tool

You may face this digital signature missing problem while updating driver from Windows Device Manager. You also may encounter the same thing while installing an older driver on your PC with modern Windows 10, 8.1, etc. In that case, You can try any third-party driver updater. These tools can update drivers without any issue.

Personally, I recommend you to use Driver Booster. It is effortless to use and can fix many driver related issues. After downloading it from here, install it on your PC. Then, Launch it and click on Scan. It will automatically detect outdated and not installed drivers. Then, You can update these drivers with a single click.

Outdated Drivers Found on Driver Booster

Solution 3: Disable Driver Signature Verification

If none of the above methods work, you can try to install the unsigned driver anyway. In this case, You will need to disable driver signature verification process. It will surely fix the third-party INF does not contain digital signature information. However, To do it, follow these instructions:

  • First of all, Open the Start Menu, Click on Power Button.
  • Now, Press and hold Shift and click on Restart.
  • Your PC will restart and show you some options on the blue screen. From there, Go to Troubleshoot > Advanced Options.
  • Now, Click on Startup Settings and Restart.
  • It will restart your PC and show you some other options on a blue screen. Press 7 to choose “Disable driver signature enforcement.” It will restart your PC again.
  • Now, You will be able to install any unsigned driver.

These are the working methods fix INF file driver digital signature issue.

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