If you see an error with the d3dr.dll file on your computer, you should immediately run your antivirus software. This file has been found as part of the Win32/Kvol.I virus.
The d3dr dynamic link library file is a browser help object, which means that it loads up as part of your Internet browser and hides itself as part of the system. Having this file on your system may be a sign of infection.
To keep your computer running smoothly, you should regularly run virus checks with an antivirus program. You should also use a spyware checker like SpyZooka to search for adware and spyware. These malicious programs often try to disable your antivirus software to allow more nasty programs onto your computer.
To keep your legitimate programs running at their best, regularly run a registry cleaner like ZookaWare PC Cleaner. Keep your computer clean and virus-free, and it’ll do its job for you.