Are you talking about Mac OS X 10.5.x?
we are using the latest Servoy version as below under Mac OS X 10.4.11 and don't have problems to start the Client.
Servoy Client
Version 3.5.3-build 516
Java version 1.5.0_13-121 (Mac OS X)
Best regards, Robert
patrick wrote:There is a signature problem with certain versions of Java on the Mac only. It also works with some 1.5 versions, but not with the latest. Strange problem, yes. There has been some discussion about this here, however. It took me a while to find out also.