This error in Call of Duty: Black Ops 3 ("The additional DLL could not be loaded") usually appears when launching the game via Steam, especially on Windows 10 or 11. Here are the most common causes and fixes:
If nothing works, a background application (RGB software, Discord, MSI Afterburner) is hooking into the game’s DLL loading sequence.
Win + R, type msconfig, press Enter.Error Message: "The additional DLL could not be loaded. Please restart the application. If the issue persists, try reinstalling the game."
This frustrating error typically appears at launch or when trying to load a multiplayer or Zombies map. It is not usually caused by a single missing file, but by a conflict between the game, your system’s Visual C++ runtimes, and Windows security features.
Here are the top proven solutions, ranked from most effective to least.
The Steam overlay can sometimes conflict with DLL injection on startup.
The error message "The additional DLL couldn't be loaded" in Call of Duty: Black Ops III
is typically caused by Windows Defender or other antivirus software incorrectly flagging and quarantining game files during installation or after an update. Primary Fix: Restore Quarantined Files
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 Security (Windows Defender). Navigate to Virus & threat protection > Protection history.
Locate the most recent "Threat blocked" or "Threat quarantined" entry related to the Black Ops III installation folder. Select the item and click Actions > Restore.
To prevent it from happening again, add the Black Ops III game folder as an Exclusion in your antivirus settings. Secondary Troubleshooting Steps
If restoring the file doesn't work, try these common technical fixes:
Verify Integrity of Game Files: If you are using Steam, right-click the game in your library, go to Properties > Installed Files, and select Verify integrity of game files. This will detect and redownload any missing or corrupted DLLs.
Install Media Feature Pack: This error often occurs on Windows N or KN versions because they lack the necessary media components. Players recommend downloading the Media Feature Pack directly from Microsoft.
Run as Administrator: Right-click the game's executable (blackops3.exe) in the installation folder and select Run as Administrator to ensure it has the permissions needed to load all resources.
Update Graphics Drivers: Ensure your GPU drivers are current, as outdated software can lead to DLL loading failures.
System File Checker: Open Command Prompt as an administrator and run sfc /scannow to repair any underlying Windows system file issues.
Did this error appear immediately after an update, or is this your first time installing the game? BO3 Problem additional dll couldn't be loaded : r/blackops3
If you are encountering the error message "The additional DLL could not be loaded" while trying to launch Call of Duty: Black Ops 3
, you are likely facing a common conflict between the game's security/bypass files and your system's antivirus software.
This specific error frequently occurs because Windows Defender or third-party antivirus programs mistakenly flag critical game files—specifically
or similar library files—as malicious and quarantine or delete them during installation or startup. Primary Causes of the DLL Error
The error is rarely a sign of a "broken" game and is almost always a result of system-level interference: Antivirus False Positives
: Windows Defender often identifies the game’s custom DLLs (especially in modified or repacked versions) as "Trojan" threats and removes them automatically. Missing Dependencies : The game may lack necessary redistributable packages like Visual C++ 2010 components Incomplete Installation This error in Call of Duty: Black Ops
: If the installation process was interrupted by low RAM or background software, certain DLL files may never have been properly extracted. Top Solutions to Fix the Error Check Antivirus Quarantine
The most effective fix is to restore the file from your protection history. Windows Security Virus & threat protection Protection history
Look for a recently blocked item related to the BO3 folder (often a file like Select the file and choose : Add the entire Black Ops 3 game folder to your antivirus Exclusions list to prevent this from happening again. Verify Game Integrity (Steam Users)
If you are playing through Steam, use the built-in repair tool: Right-click the game in your Steam Library and select Properties Navigate to the Installed Files Verify integrity of game files
. Steam will automatically detect and redownload any missing or corrupted DLLs. Install Required Redistributables
The game requires specific legacy drivers to run properly. Ensure you have the following installed: DirectX End-User Runtime Microsoft Visual C++ 2010 Redistributable (x64) Run as Administrator
Permissions can sometimes block the game from "calling" additional DLLs. Right-click the BlackOps3.exe file in your installation directory. Properties Compatibility Check the box for Run this program as an administrator Disable Overlays and Background Tools
Software that "hooks" into the game can conflict with DLL loading. Disable apps like BitDefender , or high-performance overlays before launching.
"Call of Duty: Black Ops III — The Additional DLL Could Not Be Loaded (Top)"
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."
The icon spun. A white bar crawled across the screen, then stuttered and froze. A small dialog box, ugly and clinical, floated over the game: The additional DLL could not be loaded — top. Jonah frowned. He'd seen weird errors before, but none that sounded like they were being shouted by the game itself.
He hit retry. The bar jumped forward, then rolled back. The message returned, but this time, the letters seemed to warp: top, they whispered, then rearranged themselves into something else — pot, opt, stop. Jonah laughed at first, a short, nervous sound. The wind outside rattled the window. Rain turned the streetlights into smeared bulbs.
He restarted the game. Same message. He searched forums — threads full of users with the same error, the same strange "top" appended like a signature. No fixes. A few joked about malware or bad updates; most ranting comments trailed off into nothing. In a pinned reply, someone had typed, "It's like the game is telling you where to look."
Jonah ran a full integrity check, reinstalled drivers, scanned for viruses. With each step the message moved in his imagination like a tide line: top. He pictured a file at the top of a tower of code, a missing plank in a bridge. He imagined the game as a city, its DLLs as doors; one wouldn't open. What lay behind it? He clicked on "Open log."
The log file wasn't technical jargon. It read in plain, brittle sentences:
LOAD FAILED: additional.dll REASON: Not found at top RECOMMENDATION: Ascend
He blinked. The monitor's glow felt cold and distant. He scrolled. The log kept going, each line a command: LOOK UP, FIND STAIR, TAKE ELEVATOR, TOP.
When he closed the log, the game window pulsed. The menu background — usually a blurred battlefield — rippled like a reflection on water. For a moment, he thought he saw movement: a staircase, lit by sodium lights, unfolding out of code. Then the room swapped itself into an unfamiliar scene: a hallway of arcade cabinets and server racks, all humming a slow mechanical rhythm. Neon letters flickered on a doorway above: TOP.
A voice, synthetic and far away, said: "Missing module requires ascent."
Jonah's rational mind supplied reasons — a VR event, a mod, a dream. He stood anyway. The floor beneath his feet felt different, like cooling plastic. He reached for his hoodie and, half-expecting to wake up, stepped forward.
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.
At the end of the hall was a staircase spiraling upward, metal steps engraved with tiny lines of code. The word TOP glowed above it, each letter a lattice of pixels. Jonah reached the first step and felt the vibration of servers underfoot. With each climb the tiles on the wall displayed snapshots of players around the world: different faces, different hours, all their windows saying the same message. The error wasn't a bug — it was a call.
Halfway up a slender figure emerged from shadow: a player wearing a headset and an old military jacket, face lit by a headset's LEDs. She smiled without cruelty. "You got the message," she said. Press Win + R , type msconfig , press Enter
"Do you know what it means?" Jonah asked.
She nodded. "It means the game has a missing song. It wants help finding the top of something. Everyone who gets the message hears the same word. Some climb. Some patch it. Few reach the top."
"Why would a game ask for help?" Jonah's voice sounded small.
"Games ask for all sorts of things," she said. "This one wanted discovery."
They climbed together. She introduced herself as Mara. She'd been here before, she said, months ago, when she'd first seen the dialog. At the top of one level they'd found a hidden map, at the next a cutscene that showed a lost developer's notes. The third level had been a riddle. Each time the game offered a new task, a new secret, and the hallway filled with names like offerings: PASS, RUSH, USE, STOP.
Jonah thought of the forum posts he had scrolled through; users arguing, proposing fixes, insisting on reinstallation. None had mentioned climbing. He wondered how many had seen the true meaning, how many were content to keep playing within the square fences.
They reached a landing where the walls opened into a vast atrium. At the center rose a monolith made of shattered UI elements, menus stacked like ancient stones. Embedded in its face, like a heart of chrome, was a single file icon: additional.dll. It pulsed faintly but darkly, as if missing some small vital glow.
A console sat at the base. A single line of text blinked: LOAD PATH: TOP? YES/NO
Mara tapped YES. The screen spilled white light, and for a second Jonah felt a jolt of memory — a studio in winter, a keyboard debounce left unpatched, a junior programmer leaving at dusk with an apology and the file on his desktop, where it stayed until the next build. That memory wasn't his. He realized the game had pockets of history in it — fragments of the creators, of players — and one file had slipped away and become a hole in the world.
Above them, the word TOP rearranged into another: OPT. Jonah thought of options, optimizations, decisions. The console asked him for a parameter: IDENTIFY SOURCE.
"Look," Jonah whispered, and pointed to the monolith's base where a thin ladder of light traced a path upward. It led into a narrow cavity where text scrolled like a waterfall: commit messages, timestamps, a misspelled line. He reached in and felt something cool and small — the missing DLL itself, a chip of code humming in his fingers. It wasn't malicious. It was honest: a module labeled with a single phrase, "For the players."
"How do we load it?" Mara asked.
Jonah considered the dialog they had all seen. "Top," he said. "The path is up."
He placed the chip into a socket at the monolith's base, and the atrium filled with the sound of a thousand matches being queued — the swell of distant crowds, clicks, a bell that thrummed like a heartbeat. The additional DLL accepted contact and began to illuminate, lines of code knitting themselves into place. On the walls, the frozen match snapshots started moving: players fired, grenades bloomed, flags fell, headshots marked with small ceremonial stars.
A new message printed in the air, crisp and human: Thank you. The game exhaled.
Mara laughed, and the sound became an in-game announcer's cheer. Jonah felt a warmth of completion, like fixing a clock and hearing the chimes ring. He realized the message had been less an error and more a request — a request for players to notice, to explore beyond the HUD.
The staircase began to dissolve into data, the walls folding into a single streaming line of code. Jonah hesitated; he didn't want to leave the atrium, but the world outside demanded him. He might lose the memory the moment he stepped back through the screen. Mara placed a hand on his shoulder.
"Carry it," she said. "When you go back, tell them there is more than mechanics. Tell them something was missing and someone found it."
He nodded, and the screen flickered. He woke in his chair. The rain had stopped. His monitor glowed with the normal Black Ops menu, clean and indifferent. He hesitated, then clicked "Join Match" again.
The game loaded without incident. The dialog never reappeared. But in the lobby, someone typed in chat, simple and strange: TOP — FOUND. A chain of replies followed: THANKS. WHERE? HERE.
Jonah smiled and typed one line: LOOK UP.
Across the servers, people paused mid-match, glanced at their screens, and for a few minutes longer than usual, they climbed.
Sounds like you ran into the "the additional DLL could not be loaded" error in Call of Duty: Black Ops III. Here are concise troubleshooting steps to fix it: Fix: "Call of Duty: Black Ops 3 –
Verify game files
Install/repair Visual C++ Redistributables
Update DirectX and GPU drivers
Run as Administrator & compatibility
Reinstall the problematic DLL (if named)
Disable overlays and security interference
Reinstall the game
If you want, tell me the exact error message (DLL filename and platform: Steam or Battle.net) and your OS, and I’ll give targeted steps.
(Additional search suggestions available.)
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
Resolving the "The Additional DLL Could Not Be Loaded" Error in Call of Duty: Black Ops 3
Call of Duty: Black Ops 3 is a first-person shooter game developed by Treyarch and published by Activision. The game was released in 2015 and has since become a popular title among gamers. However, some players have reported encountering an error message that prevents them from playing the game, which reads: "The additional DLL could not be loaded." In this article, we will explore the causes of this error and provide step-by-step solutions to resolve the issue.
What is a DLL file?
Before we dive into the solutions, it's essential to understand what a DLL file is. A DLL (Dynamic Link Library) file is a type of file that contains code and data that can be used by multiple programs. In the context of Call of Duty: Black Ops 3, DLL files are used to load additional libraries and modules that are required for the game to run.
Causes of the "The Additional DLL Could Not Be Loaded" Error
The "The additional DLL could not be loaded" error in Call of Duty: Black Ops 3 can be caused by several factors, including:
Solutions to Resolve the "The Additional DLL Could Not Be Loaded" Error
To resolve the "The additional DLL could not be loaded" error in Call of Duty: Black Ops 3, try the following solutions:
Navigate to the game folder and delete:
bink2w64.dllsteam_api64.dllusermaps\mapname\)Then verify game files again.
Modern antivirus software hates game DLLs because they inject code into memory. Specifically, look for quarantined files named steam_api64.dll, nvapi64.dll (for NVIDIA), or amd_ags_x64.dll.
Sometimes Steam’s own client DLLs conflict with the game’s request for additional DLLs.
C:Program Files (x86)Steam).appcache.Do not attempt these out of order. Start with Method 1.