Windows 10 Blocking few Third-Party drivers from installing

In accordance to the upcoming update in Windows 10, Microsoft notifes us that Windows 10 and Windows Server users won’t be allowed to install incorrectly formatted third party drivers after installing this month’s upcoming cumulative updates.

Microsoft stated that, when you will try to install improperly formatted third party drivers after this month’s update you’ll get the following errors:

  1. Windows can’t verify the publisher of this driver software
  2. No signature was present in the subject

What triggers this new error?

As per the statement by Microsoft, this issue is caused due to the improperly formatted driver catalogue files and they get triggered and shows error during the driver validation process.

We will notice these issues, starting from the new October 2020 updates, where Windows required DER-encoded PKCS#7 content to be valid and should be embedded correctly in the catalogue files.

Microsoft added, “Catalogs files must be signed per section 11.6 of describing DER-encoding for SET OF members in X.690,”

Affected users and Devices


  • Windows 8.1 to Windows 004


  • Windows Server 2012 R2
  • upto Windows Server version 2004

What a user do if facing the issue?

Anyone who faces these issues while trying to install a third-party driver should have ask to their driver vendor or device manufacturer (OEM) for an updated and correctly signed driver according to the new guidelines.

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