Why are missing or not found DLL errors so common? There are many reasons for it: Re-installing the application may fix this problem.įor Windows 10/8/7 users, this issue is not a new one. This application failed to start because.Try reinstalling the program to fix this problem. Usually, this error message on the computer can come in many different forms: When trying to open an application, you may receive an pop-up message saying a. However, sometimes the application is not working due to DLL problem. These libraries usually have DLL file extension. And DLL is helpful to share data and resources, allowing multiple applications to access the contents of a single file at the same time. Missing DLL Files What Is a DLL File in WindowsĭLL, short for Dynamic Link Library, refers to a type of file format containing multiple codes and procedures for Windows programs that can call upon to do many things. How to Fix Missing DLL Files in Windows 7/8/10.