The simplest and safest fix is to reverse the action taken by your security software.

: PES 2016 requires a specific 32-bit or 64-bit version of the API; downloading the wrong version causes further system crashes.

Disclaimer: This article provides a fix for legitimately owned games. Downloading or sharing copyrighted software is illegal. The provided link is for the replacement of a single missing library file.

: Your security software mistakenly flagged and quarantined the file.

I notice you’re asking for an essay about a “steam api dll” link related to Pro Evolution Soccer 2016 (PES 2016).

: A failed update or improper installation can lead to missing DLL files .

: Users or system cleanup tools might accidentally remove the file from the game directory. Safe Ways to Fix the PES 2016 DLL Error

While less common, a problem with your main Steam client installation can also cause issues. If Steam's own files are damaged, it might fail to provide the necessary DLL for its games.

: Security software frequently flags modified or cracked DLL files as malware and quarantines them.

Antivirus software often flags this file as a "false positive," especially in non-official versions of the game. Check your Windows Defender or third-party antivirus "Protection History" or "Quarantine" section. If the file is listed there, select Restore to move it back to the game folder.

typically occur because the file has been deleted, corrupted, or quarantined by your antivirus as a "false positive" Primary Fix: Restore from Antivirus