preferenceModel.setAutoDetectDesktopEnvironment(false);
preferenceModel.setUseCustomeDesktopEnvironment(false);
preferenceModel
.setSelectedDesktopEnvironment(DesktopEnvironment.UNKNOWN);
preferenceModel
.setCustomDesktopEnvironmentContainer(new CustomDesktopEnvironmentContainer(
"commandForStartFileManager",
"commandForStartFileManagerAndSelectFile",
WorkingDirectoryMode.NONE, "commandForStartShell",
WorkingDirectoryMode.NONE, "commandForStartSystemApplication",
WorkingDirectoryMode.NONE, WorkingDirectoryMode.NONE, false,