Fixing Error ‘The Third-party INF doesn’t contain Digital Signature Information’

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If you try to install a driver from a small developer or if you want to use an old driver, this alert will be displayed:
“Windows Encountered a Problem Installing the Driver Software For Your Device
Windows found driver software for your device but encountered an error while attempting to install it
The Third-Party INF Does Not Contain Digital Signature Information”

.INF file is a file that contains configuration information for a modern Windows operating system. It contains several sections that specify the data to be copied, the changes to be made to the registry and much more. But, it must contain digital signature information. Modern windows do not allow installation without a valid signature. Therefore, all drivers must be signed to avoid no signature error.

The Third Party Inf Does Not Contain Signature Information Error is often caused by incorrectly configured system settings or irregular entries in the Windows registry. The name of the error, which contains the details of the error, including the reason why it occurred, what component of the system or application was defective to cause this error, and some other information.

The error was quite common under the user of the Windows operating system. It restricts most of your activities, while the error seems to persist forever. You may have the problem of using an old driver or trying to access a small developer to install a driver.

How to Fix the Error “The Third-party INF doesn’t contain Digital Signature Information”:

Download the driver manually from the manufacturer’s website.

  • Check the device name or access the Device Manager to determine the device for which you are installing the drivers. You can also press Windows + R, type ‘devmgmt.msc’
  • Visit your manufacturer’s official website.
  • Once you have found your driver, select the desired download options and download it in an accessible place.

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  • Double-click the executable file to install the driver directly, and if this does not work, you can navigate back to the Device Manager, right-click on the device and select Update Driver.
  • Select Search for a driver on my computer and browse to the downloaded driver.
  • Restart your computer and check that the problem is solved.

Disable digital Signature Checking

  1. Close all windows and programs open on your PC.
  2. Click on the Windows button and search for cmd, and you will get the prompt as a search result.
  3. Right-click and select Run as administrator.
  4. At the command prompt, type the following code and press Enter: bcdedit /set loadoptions DDISABLE_INTEGRITY_CHECKS
  5. After writing the code above, you must write another code and press Enter: bcdedit /set testsigning on
  6. You can install any unsigned driver. Then try reinstalling the driver again.

Perform a System File Check

  • In the search area of the taskbar, type Command prompt and right-click or hold the command prompt (desktop application) in the results list.
  • Select Run as administrator and select Yes.
  • Type DISM.exe /Online /Cleanup-image /Restorehealth, then press Enter.
  • Once the operation is successful, type sfc /scannow and press Enter.
  • If the message “Verification 100% complete” appears, type exit.

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