Qdvd.dll is an important dll file that contains API for DVD playback. It belongs to DirectX that is being utilized by several games and other application in window operating system. This file is required for the stable operation of PC. You need to resolve this error immediately other it may cause severe damage, damage your hardware, prevent you from accessing any application and crashes your system. Qdvd.dll error occurs when Qdvd.dll file is missing or corrupted. Some of the frequent cause of qdvd.dll error is outdated system driver, corrupt window registry and malware or spyware attack. Registry is the most typical cause of dll error including qdvd.dll error. Missing registry entries or redundant keys bloat registry causing error. By downloading registry repair tool, you can easily resolve such issues. For more information: http://www.qdvddllerrorfix.com/