Installation of plugin "openXInvocationTags" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openXMaxMindGeoIP" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openXDeliveryCacheStore" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openXReports" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openX3rdPartyServers" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openXDeliveryLimitations" failed:
Server returned: 500 Internal Server Error
Installation of plugin "openXBannerTypes" failed:
Server returned: 500 Internal Server Error
Server is running Windows 2016 server with PHP 7 and MySQL 5.7 Any suggestions would be appreciated.