This is what the error log says:
LaunchNet7 - Exception
Version: 1.9.6.0
Time: Tue, 06 Apr 2010 22:32:56 GMT
Message: Could not launch client.
System.ApplicationException: Could not patch registry-settings. ---> System.IO.IOException: The parameter is incorrect.
at Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
at Microsoft.Win32.RegistryKey.CreateSubKey(String subkey, RegistryKeyPermissionCheck permissionCheck, RegistrySecurity registrySecurity)
at Microsoft.Win32.Registry.SetValue(String keyName, String valueName, Object value, RegistryValueKind valueKind)
at LaunchNet7.Launcher.PatchRegistry64()
--- End of inner exception stack trace ---
at LaunchNet7.Launcher.PatchRegistry64()
at LaunchNet7.Launcher.Launch()
at LaunchNet7.FormMain.DoLaunch(LaunchSetting setting)