If the file is completely gone, the safest way to get it back is to re-copy it from the original "Crack" or "Reloaded" folder that came with your game installer. Do not download it from a "DLL downloader" site. :
: DLL files must match the specific version of your game. Using the wrong version can cause constant crashes. download+steam+apidll+resident+evil+6+reloaded+best+upd
: Injecting keyloggers to steal your passwords. If the file is completely gone, the safest