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Defender HDDs and SSDs not recognized on Windows 8.1 & Windows 10 systems

Updated on Feb 12, 2026

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Defender™ USB3.0 Secure Encrypted External Drives (HDDs and SSDs) not recognized on computers running Windows 8.1 & Windows 10 when connected by USB3.0

Kanguru Part Numbers Affected by this advisory:

  • KDH3B-500
  • KDH3B-1T
  • KDH3B-1.5T
  • KDH3B-2T
  • KDH3B-256SSD
  • KDH3B-480SSD 
  • KDH3B-300F-500
  • KDH3B-300F-1T
  • KDH3B-300F-1.5T
  • KDH3B-300F-2T
  • KDH3B-300F-256S
  • KDH3B-300F-480S

 

Host Environment(s) applicable:

Windows 8.1 computers with Intel based controller chipsets

Windows 10 computers with Intel based controller chipsets

 

Symptom(s):

  • The CD-ROM partition is not detected or is detected but is not accessible on an affected Host Environment.

 

Cause(s):

  • The detection failure for the Kanguru HDD/SSD is because of a faulty Microsoft xHCI (eXtensible Host Controller Interface) driver stack provided out-of-the-box with Windows 8.1 & Windows 10 

  

Solution(s):

Update your Windows operating system to the latest versions. Microsoft released a cumulative update for Windows 8.1 and Windows 10 on July 12, 2016 which resolves this issue (KB3163912).