Runtime Error

Hello our theatre got new Congo just before Christmas and now we are learning to control that nice console. But today when we made following changes the console get stuck.
We changed some backlight and contrast on LCD then we tick "Bypase Startup Screen" and we have changed Location to "Czech republic". After that we turned off the console and than turned on. On the monitor appear the following message - Runtime Error, Program: C:\congo\congo.exe. This application has requested the Runtime to terminate it in an unsusual way. Please contact the application's suport team for more information - And then what to do? The only thing what we can do now is push to "OK" then the message disappear and after that console get suck. On both monitors is sign "CONGO" and on all LCD too except one where is appeared graphic keyboard. Track ball can move with arrow on the monitor. We do not have an external keyboard. Version of software is 5. We stil have our old consol so we don't have any stress.

Please what is the solution?
Thank's a lot Tom

Sorry for my English

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