[Wine] Wine+Renderpal problems

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Hi all,

i installed Wine 1.0.1 on Kubuntu 8.10 for using a program called "RenderpalV2", which is a tool used for submitting different kinds of tasks to several computers in the network. The program has a server-client structure, so i set up the server on Wine/Kubuntu and the clients on Win7. For a long time everything was working fine.
Now i updated that Renderpal-Software and i run into a problem, which some of you maybe know. At the point, where it comes to submitting bigger amounts of data (not huge, but bigger) from the server to the clients the transfer does not work and the clients crash. The developers of Renderpal told me, that they made some adjustements and now more data needs to get send over the net. And, as he said, that could be the problem for Wine.
So, long story short: Does anybody know, how i can debug this problem more? Or maybe a simple solution for that "too much data needs to get transferred" problem?
Thank you!