The d3d9.dll file comes from DirectX by Microsoft. DirectX is a combination of program interfaces. It is widely used by computer games to enhance graphics.

Registry Errors
The d3d9.dll error stems from the registry making it a registry error. Some program tried to open the d3d9.dll file and could not. The most common reasons for registry errors include missing or deleted files and corrupted or damaged files.

Registry errors cause computers to run sluggishly. The more serious registry error crashes programs and some crash Windows.

Regular registry maintenance is required to keep your computer running smoothly.

Resolution
First, click the button below to receive your free scan. Once ZookaWare PC Cleaner finishes, click “Fix Errors.” ZookaWare PC Cleaner will remove all the registry related errors guaranteed. If it misses one, then ZookaWare PC Cleaner will get you a solution within 24 hours or your money back.