On June 9, 2015, Microsoft released Windows Update KB3057839. When this Windows Update is installed on a Windows 8 or Windows Server 2012 computer together with the iTiger for Windows host, iTiger detects an incompatibility, and the Application Publishing Service fails to start. iTiger versions 4.7, 4.8 and 5.0 are affected, but only on Windows 8 and Windows Server 2012. iTiger is compatible with KB3057839 on all other versions of Windows.