The ntwdblib.dll error occurs when you install any new application and it is not compatible with your old driver. As such you need to update your driver and for that use driver update software. Other than driver issues there may be registry files corruption responsible for the ntwdblib.dll error. Repairing registry files manually is not possible for that you need professional registry cleaner application. Download registry repair software and get rid of damages and corruptions of registry files as to remove ntwdblib.dll error. The application is efficient and powerful to repair the corruption and damages of registry files. For more information visit http://www.ntwdblibdllerrorfix.com.