https://support.microsoft.com/en-us/topic/fix-featurepackchecker-exe-crashes-when-you-try-to-install-cu-for-biztalk-server-2016-36cec212-4442-7518-0e8d-e3c21589025d
FIX: FeaturePackChecker.exe crashes when you try to install CU for BizTalk Server 2016 - Microsoft...
FIX: FeaturePackChecker.exe crashes when you try to install CU for BizTalk Server 2016