The d3dtest.dll file is a Direct3D test module that is included with many releases that use the Direct3D API for graphics.  Direct3D is a graphics API that is part of the Windows DirectX series and helps your computer to display high quality graphics at a speed suitable for games.  An error with this file can result in poor or no graphics in your programs.  You should clean the registry to deal with this issue.

The registry is a complex database at the heart of Windows that keeps track of all the files and settings on your computer.  When you run a program, Windows uses the registry to find the files it needs.  A mistake in the registry can break your software because Windows cannot locate the resources it needs to run your programs.

ZookaWare PC Cleaner is here to help.  ZookaWare PC Cleaner cleans up mistakes in the registry to get your system back to full health.  ZookaWare PC Cleaner is guaranteed to find and fix every problem in your registry.  Find out if your registry needs to be cleaned by running a free ZookaWare PC Cleaner scan now.

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