: Instead of downloading from risky third-party sites, you can often find a clean version of the file within your own Steam directory at: C:\Program Files (x86)\Steam\steamapps\common\Steamworks SDK\redistributable_bin\win32\ .
: Lack of system permissions can prevent the game from "seeing" the DLL. Right-click both Steam and the sonic2app.exe in your game folder and select Run as administrator . Manual File Recovery (Advanced) Steam Api.dll Sonic Adventure 2 -UPD-
Click Verify integrity of game files . Steam will automatically detect and redownload any missing DLLs. : Instead of downloading from risky third-party sites,