Select the game which is causing you trouble.

Once Steam is launched, click on the Library tab at the near top.

Launch Steam by right-clicking it and select Run as administrator.

If it is occurring for all of them, try verifying for each one by one. If you are having this error for any specific game, make sure that you verify its game files. It will also scan the already downloaded files and if any of them are corrupt, a replacement shall be done. Steam has an inbuilt mechanism to detect missing files and replace them accordingly.

Restart your computer after the installation and try launching Steam again.

After you have downloaded the web installer, launch it and proceed with the on-screen instructions to completely install the package.

Navigate to the DirectX official website and download the installer from there.

If DirectX is not installed on your computer, this can induce the error at hand. DirectX comes along with a vast range of DLL files that help in its operation.

Steam_api64.dll is missing Fallout 4: Like the error above, this occurs when Fallout 4 is unable to launch because of the missing DLL file.ĭirectX is a popular API which is used by numerous games and applications for graphical support and for using the package in their in-game backend mechanics.

This can be solved using the solutions listed below.

Dying light steam_api64.dll is missing: This signifies that the game Dying Light is not opening because of the missing of the DLL file.

Make sure that you have an administrator account before proceeding with the solutions listed. We will start with the easiest workaround before we move on to mode tedious and demanding ones.

Steam_api.dll is missing