If your antivirus permanently destroyed the files and they cannot be restored via history, you must manually put them back:
To stop your operating system from repeatedly breaking your game files, you need to whitelist your installation folder.
The server blinked awake in a storm of pixels and static. In the gray glow of midnight, Jonah leaned forward, breath fogging the monitor. He'd spent the whole day building up momentum — a string of victories, the right loadout, a squad that finally clicked. Black Ops III hummed in the background like a living thing, its menus slick and impatient. He clicked "Join Match."
Under the tab, check Run this program as an administrator . If your antivirus permanently destroyed the files and
This error is rarely a sign of permanent damage. In most cases, verifying game files, adjusting antivirus settings, or reinstalling VC++ runtimes resolves it. If the problem persists, a clean reinstall of the game may be necessary.
A corrupted workshop mod or custom map is a prime suspect, especially for Zombies players.
: If the runtime dynamic libraries required by the game's engine become unstable or damaged, the primary executable cannot load its auxiliary functions. Step-by-Step Fixes for Black Ops 3 DLL Errors He'd spent the whole day building up momentum
Alternatively, go to the zone folder in your BO3 directory and see if any recently added mod files look incomplete or out of place. 6. The "LPC" Folder Fix (For Advanced Users)
The most common solution reported by players on Reddit is to restore the specific file (often SLF64.dll or similar) that was blocked: Open (Windows Defender). Navigate to Virus & threat protection > Protection history .
The "additional DLL could not be loaded" error in Call of Duty: Black Ops 3 is typically caused by antivirus software quarantining essential files, such as SLF64.7z or steam_api.dll . Resolving this issue involves restoring the quarantined files via Windows Security and adding the game installation folder to the antivirus exclusion list. Other solutions include verifying game file integrity on Steam, reinstalling DirectX/Visual C++ Redistributables, or running the game with administrative privileges. For a detailed walkthrough of these fixes, watch this YouTube tutorial . BO3 Problem additional dll couldn't be loaded : r/blackops3 This error is rarely a sign of permanent damage
He clicked it. The file size was fluctuating. 40 KB... 120 KB... 1 MB... 0 KB. It was as if the file was breathing.
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The hallway smelled faintly of ozone and popcorn. Screens along the wall showed truncated frames from matches: a player's last fatal shot frozen, the splash of an explosion, a name: RAVEN. When he pressed his hand on one of the screens, the frame fractured like glass, and for a heartbeat he was on a rooftop, gunweight in his palms, neon rain in his face. Then it was a screen again, warm and passive.
: Right-click Call of Duty: Black Ops 3 in your Steam Library, select Properties , go to the Installed Files tab, and click Verify integrity of game files . This automatically pulls fresh, uncorrupted replacements down from official servers.
, you are likely facing a common conflict between the game's security/bypass files and your system's antivirus software.