Description:
You are trying to re-install NPCAP as part of Microsoft Defender for Identity Sensor deployment on a Domain Controller. However you got stuck uninstall error problem.
You have try to remove the registry from Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\NpcapInst. However the problem still exist.
Resolution:
Search for possible services that were using NPCAP. Example is Wireshark or Cisco Tetration. Stop those services and try to re-install NPCAP again.
