The file c30dd16.dll is a component of the DirectDraw NEC Cirrus 5430 Driver Thunk Helper from the NEC Corporation. A thunk is a low-level piece of machine-generated code that performs a specific function, and a thunk helper assists the thunk in action.
The Cirrus 5430 is a graphics adapter, and this module is part of the driver for the adapter. In simpler terms, this file is part of the system that displays graphics on your computer screen, and an error with this file may cause problems with your graphics.
Most dll file errors are caused by small mistakes in your Windows registry. Windows uses the registry to find files. Mistakes in a registry entry mean that Windows can’t find your software to run it. Cleaning the registry can fix this type of problem. ZookaWare PC Cleaner is a registry cleaner that hunts down errors in your registry and repairs them to get your software humming along again. Try a free ZookaWare PC Cleaner scan now to see if your registry needs to be cleaned.