V 1.03
Game
Assassin's Creed Brotherhood
2026
Assassin's Creed Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)
PC
4.5 GB
2026 Published on, Oct 17, 2026
Last Updated - Nov 09, 2026 [Build 252091]
Build 252091
Latest
Fix Assassin's Creed (Build 252091) startup crashes, permission errors, missing dependencies, and desktop configuration issues on Windows 10/11 PC & macOS Desktop via AnkerGames.
Assassin's Creed Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) Free Download - Game Review
Quick Game Overview & Verification
Verified 100% Working
Assassin's Creed Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) is a GameApplication, Open World game for Windows / Android / iOS. This tested release features Build 252091 with an estimated download size of 4.5 GB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.
Platform
Windows / Android / iOS
Build / Version
Build 252091
Download Size
4.5 GB
File Integrity
SHA-256 Passed
Quick Fix for Assassin's Creed Crashes & Launch Errors: Over 90% of startup crashes, missing DLL errors on Windows, and Gatekeeper prompts on macOS in Assassin's Creed (Build 252091) are resolved by installing vc_redist.x64.exe, whitelisting the folder in Windows Security (or running xattr -cr on Mac), and launching as Administrator.
→ Download Clean Verified Build of Assassin's Creed (Build 252091)
Common Assassin's Creed Desktop Errors & Proven Solutions
| Issue / Error Message | Root Cause | Step-by-Step Fix |
|---|---|---|
| Crash on Startup / Silent Exit (Windows) | Missing Visual C++ Runtime or Admin privileges | Install VC++ 2015–2022 (x86 & x64) and enable Run this program as an administrator. |
| Missing MSVCP140.dll / VCRUNTIME140.dll | Corrupted Microsoft C++ runtime libraries | Reinstall the official Microsoft Visual C++ Redistributable package and reboot your PC. |
| Missing steam_api64.dll / Activation DLL | Windows Defender quarantined the offline loader | Open Windows Security → Protection History, restore the file, and whitelist the folder. |
| "App Is Damaged and Can't Be Opened" (macOS) | macOS Gatekeeper quarantine flag | Run sudo xattr -rd com.apple.quarantine "/Applications/Assassin's Creed.app" in Terminal. |
Related Guides: Main Download Page | Installation Guide | System Requirements
Assassin's Creed – Windows 10/11 & macOS Configuration, Preset & Save Data Paths
When backing up user profiles, presets, or local save data between a Windows Desktop workstation and a MacBook Pro/Studio for Assassin's Creed (Build 252091), check these default desktop directories:
| Desktop Platform | Default User Data / Config / Preset Directory | Backup & Migration Notes |
|---|---|---|
| Windows 10 / 11 (x64) | %APPDATA%\{Assassins_Creed}\ or %USERPROFILE%\AppData\LocalLow\{Assassins_Creed}\ | Back up this folder before installing a newer version or resetting preferences. |
| macOS (Apple Silicon M1–M4 / Intel) | ~/Library/Application Support/Assassins_Creed/ & ~/Library/Preferences/ | Use Cmd + Shift + G in Finder to open hidden Library paths directly. |
Release Metadata Summary – Assassin's Creed
- Title / Package: Assassin's Creed
- Verified Build Version: Build 252091
- Archive Size: 4.5 GB
- Category: GameApplication, Open World
- Target Desktop OS: Windows 10/11 (64-bit) & macOS Desktop (Apple Silicon M1/M2/M3/M4 & Intel)
- Primary Download Hub: Download Assassin's Creed (Build 252091) Full Desktop Build
Frequently Asked Questions – Assassin's Creed (Build 252091)
Is Assassin's Creed completely free?
Yes. The Director's Cut Edition listed here is offered as a free download with a license type of Free. The game is also sold on Steam, and buying it there supports Ubisoft Montreal directly.
How do I install Assassin's Creed?
Extract the game into a folder excluded from your antivirus or Defender scanning, install the apps from the Redist or _CommonRedist folder, then run AssassinsCreed_Game.exe as administrator. A full Installation Guide.txt is included in the game files.
Why do I get an XINPUT1_3.dll missing error?
That file ships with the DirectX redistributable. Install the DirectX package from the Redist or _CommonRedist folder inside the game directory, and the error should clear on the next launch.
Does the game work with a controller?
Controller support is listed as partial. Several users report that gamepads don't register properly, so keyboard and mouse is the more reliable option right now.
Will it run on Windows 10 or 11?
The official minimum lists Windows XP and Vista only, but community reports and our own testing confirm it launches and plays on Windows 10 and Windows 11. Use the DX10 executable for the best experience.
Is Build 252091 the latest version?
Yes. The current version, current build, and latest build all read 252091, and the game version is reported as up to date as of the last check.
Installation Guide
Step-by-step setup process
1
Game is pre-installed / portable, therefore you do not need to install the game.
2
Just extract the rar / zip file using 7-Zip or WinRAR.
3
Simply launch the game directly from the game executable as Administrator.
Important Notes
- Install necessary apps from Redist or _CommonRedist to ensure game launches without problems.
- Always extract game in Antivirus / Defender excluded folder to prevent false-positive file quarantine.
- Always run the game as administrator.
System Requirements
Minimum specifications needed
Requires a 64-bit processor and operating system
OS
Windows 10 / 11 64-bit
Processor
Intel Core i5-2500K / AMD FX-6300
Memory
8 GB RAM
Graphics
NVIDIA GeForce GTX 660 / AMD Radeon HD 7870
Storage
4.5 GB
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Links Online & Tested
Download Assassin's Creed Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)
Pre-installed direct download links, no installer or license keys needed.
Total File Size
4.5 GB
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