binkw32.dll
This file is not a system component: supplied with the game by its publisher. Restore it from the source that installed it rather than downloading a replacement.
Do not download this DLL on its own
Searching for a missing DLL by name leads to sites that hand you that single file. It is one of the oldest and most effective malware delivery methods there is, and a system DLL from an unknown source is indistinguishable from a deliberately modified one. There is never a legitimate reason to obtain a runtime component that way.
What it is
The Bink Video codec from RAD Game Tools, used to play cut-scenes. It is licensed per game and ships inside the game folder, never system-wide.
Where you see it: Games from the 2000s and 2010s failing at launch or when a cut-scene starts.
Reinstall or verify the game through its launcher. Because binkw32.dll is licensed per title and versions differ, copying one from another game frequently fails, and the download sites offering it are trading on people not knowing that.
Why there is nothing to download here
There is no verified download we can offer for this one, because installing a file is not the fix. The steps above are what actually resolves it. That distinction matters: the sites ranking for this file name are selling a download that would not have helped even if it were safe.