Shell activeShell = WindowsSupport.getInstance().getActiveShell(); ShellValidationStatus shellValidationStatus = ShellValidationSupport.getValidationStatus(activeShell); boolean isOK = shellValidationStatus.isValid() && !shellValidationStatus.hasWarnings(); activeShell = WindowsSupport.getInstance().getActiveShell(); shellValidationStatus = ShellValidationSupport.getValidationStatus(activeShell); isOK = shellValidationStatus.isValid() && !shellValidationStatus.hasWarnings();