The d3dev.dll file is a Direct3D module used to enhance the graphics of some computer games, including Painkiller from DreamCatcher Interactive. Direct3D works with your graphics card to provide a seamless 3D gaming experience on your system.
A problem with the d3dev dynamic link library file may disable the graphics on any games using this file. You may be able to solve this problem by reinstalling the game, but cleaning your registry is a good first step to troubleshooting.
The registry tracks all the files installed on your computer. If there is a mistake in the registry, you will get an error when a program needs that file. Run ZookaWare PC Cleaner to clean up registry mistakes. ZookaWare PC Cleaner hunts down registry errors and fixes them to get your system running at 100%. Try a free ZookaWare PC Cleaner scan if you want to see if your registry has any errors that need to be cleaned.