It would be helpful to know what device you're having problems with. If it's a Sony Clie, you might look at this post.. Installing the MCA hack worked for one of the beta testers who happened to be running Village Sim on an NX-70V, also using Powerrun.

If you're not running on a Clie, please post additional details and we'll see what we can do.
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Barbara
Unicorn
Last Day of Work