In the Windows operating system based computer, you may find so many features that are responsible for the proper running of your system. You may find many DLL files associated with the applications installed in it. Sometimes you will see that some of the applications are not working properly and you are unable to access the computer. In this situation, you may get ftd2xx.dll is missing error in Windows. The ftd2xx.dll was not found error comes to you due to the corruption of the ftd2xx.dll file associated with some applications. After getting the error, you will not be able to use the computer easily. Therefore, it is very important to fix the issue with the help of some manual or automatic troubleshooting. You can use Advanced System Repair tool to fix this issue automatically.