Hi, A problem has bothered us for several weeks and would like to get help here. We installed a fresh Windows 2019 (Datacenter) server with a whole new IIS server. Then we installed ModSecurity 2.9.5 WIndows version. It was installed successfully, but when we then connect to http://localhost what we got is 503 error. And the log in IIS showed "Can not load C:\Windows\System32\inetsrv\ModSecurityIIS.dll, data is the error" (translated back from Chinese). I've searched plenty of pages including issues...