If you have encountered a "Disc read error" or a missing file notification while launching a classic video game, you are likely looking for a ui.ff file download.
Go to the game's installation folder (e.g., Call of Duty Modern Warfare\Data\data\). Delete all files ending in .idx (e.g., 0000000001.idx). Run the Scan and Repair tool again in the Battle.net app. Summary of common ui.ff locations Typical File Path MW 2019 .../Call of Duty Modern Warfare/Data/data/ MW2 (2009) ui.ff file download
There are several methods for downloading UI.FF files: If you have encountered a "Disc read error"
video games, where it serves as a "Fast File" containing user interface instructions, layouts, and menus. ui.ff file download