Assassin’s Creed Mirage Crashing: Fixes

Assassin’s Creed Mirage crashing on PC is a common issue, but most crashes can be fixed by updating graphics drivers, verifying game files, and adjusting a few in-game settings. This guide explains why the game crashes and provides step-by-step solutions to get you back to Baghdad.

Why Does Assassin’s Creed Mirage Keep Crashing?

Crashes in Mirage typically stem from one of four sources: outdated or corrupted graphics drivers, a conflict with the Ubisoft Connect overlay, unstable overclocks on your CPU or GPU, or the game’s own memory management issues on certain hardware. The game is built on the Anvil engine (a heavily modified version of the engine used in Valhalla), which is demanding and can be sensitive to system instability. Many players report crashes that happen at specific moments—during a cutscene, when entering a new district, or right after a fast travel—which often points to a loading or streaming issue rather than a pure performance problem.

Quick Fixes to Try First

Before diving into more complex troubleshooting, try these three steps. They resolve a surprising number of crashes and take less than five minutes each.

Update your graphics drivers. Go to NVIDIA’s or AMD’s website and download the latest driver for your card. Use the “Clean Install” option if available. Outdated drivers are the single most common cause of crashes in new AAA titles.
Verify game files. In Ubisoft Connect, go to your library, select Assassin’s Creed Mirage, click the properties icon (the three dots), and choose “Verify files.” This checks for corrupted or missing game data and re-downloads any broken files.
Disable the Ubisoft Connect in-game overlay. In Ubisoft Connect, go to Settings → General, and uncheck “Enable in-game overlay for supported games.” The overlay has been known to cause crashes in Mirage, particularly on systems with limited RAM.

Adjust In-Game Settings to Stop Crashes

If the quick fixes don’t work, the problem is likely a specific graphics setting that is unstable on your hardware. Mirage is generally well-optimized, but a few settings are notorious for causing crashes on certain GPUs.

Set Graphics Quality to “High” instead of “Ultra High.” The Ultra High preset increases the draw distance and shadow resolution significantly. On many mid-range cards (like the RTX 3060 or RX 6600), this can cause memory spikes that lead to a crash.
Turn off “Dynamic Resolution Scaling.” This feature automatically lowers the internal resolution to maintain a target frame rate. When it kicks in, it can sometimes trigger a driver timeout, resulting in a crash to desktop.
Disable “Ray Tracing.” Mirage has limited ray tracing support (mostly for shadows and reflections). If you have a GTX 10-series or RTX 20-series card, or an AMD RX 5000-series, ray tracing can be unstable. Turn it off and see if the crashes stop.
Set “Texture Quality” to “Medium” if you have 8GB of VRAM or less. The high-resolution texture pack is optional and can cause out-of-memory crashes on cards with less than 8GB of VRAM.

Fix Crashes Related to Overclocking and Hardware

Mirage is a CPU-intensive game, especially in crowded city areas. If your CPU or GPU is overclocked (either manually or via a factory “OC” model), it may be stable in other games but not in Mirage. The Anvil engine uses AVX instructions heavily, which can cause instability on overclocked CPUs.

Reset your GPU overclock. Use MSI Afterburner or your GPU’s software to set the core clock and memory clock back to default. Even a small +50MHz offset can cause crashes in Mirage.
Reset your CPU overclock. If you have an Intel K-series or AMD Ryzen CPU with a manual overclock, try setting it back to stock. Also, disable “Precision Boost Overdrive” (PBO) on AMD or “Multi-Core Enhancement” on Intel in the BIOS.
Check your RAM stability. If you have XMP or EXPO enabled, try disabling it temporarily. Mirage is sensitive to memory errors. If the crashes stop with XMP off, your RAM may not be stable at its rated speed—you can try manually setting a slightly lower frequency.

Deal with Memory Leaks and Stuttering Crashes

Some players report that Mirage crashes after playing for 1-2 hours, with the game gradually slowing down before the crash. This is a classic symptom of a memory leak. The game fails to release memory properly, eventually exhausting your system’s RAM or VRAM.

Monitor your memory usage. Open Task Manager (Ctrl+Shift+Esc) and watch the “Memory” column while playing. If it climbs steadily and doesn’t drop after you open a menu, you’re experiencing a leak.
Lower the “Texture Quality” to “Medium.” This reduces the amount of VRAM the game uses, which can delay or prevent the crash.
Disable “Ubisoft Connect” overlay and close background apps. Chrome, Discord, and other apps consume RAM. Free up as much as possible.
Set a frame rate cap. Use the in-game limiter or NVIDIA Control Panel / AMD Radeon Software to cap the frame rate at 60 FPS. This reduces the load on the GPU and can prevent VRAM spikes.

What to Do If the Game Crashes on Startup

If Mirage crashes immediately when you launch it (before the main menu appears), the problem is usually a missing or incompatible system component, not the game itself.

Install the latest Visual C++ Redistributables. The game requires VC++ 2015-2022. Download the x64 version from Microsoft’s website and install it.
Update DirectX. Run the DirectX End-User Runtime Web Installer from Microsoft. This doesn’t hurt and ensures you have all the necessary DLLs.
Disable fullscreen optimizations. Right-click on the game’s .exe file (in your Ubisoft Connect install folder), go to Properties → Compatibility, and check “Disable fullscreen optimizations.” Also try “Run this program as an administrator.”
Check your Windows version. Mirage requires Windows 10/11 64-bit with the latest updates. Go to Settings → Update & Security → Windows Update and install all pending updates.

Frequently Asked Questions

Why does Assassin’s Creed Mirage crash on my RTX 3080?

The RTX 3080 is more than capable of running Mirage, but crashes on this card are often caused by the “Ultra High” texture setting using more than 10GB of VRAM in certain areas. Set texture quality to “High” and disable ray tracing. Also, make sure you’re using the latest NVIDIA driver (version 537.58 or newer).

Can I fix Mirage crashes by lowering my resolution?

Sometimes. If the crash is due to VRAM exhaustion, lowering the resolution from 1440p to 1080p reduces VRAM usage and can help. However, if the crash is caused by a CPU or driver issue, resolution won’t matter. It’s worth trying, but don’t expect it to be a universal fix.

Is there a known fix for crashes during cutscenes?

Cutscene crashes are often caused by the game’s “Dynamic Resolution Scaling” or by having the “Frame Rate Limit” set to “Unlimited.” Set the frame rate limit to 60 FPS and disable dynamic resolution. Also, verify your game files—a corrupted video file can cause a crash during a specific cutscene.

Does disabling the Ubisoft Connect overlay actually stop crashes?

Yes, for many players. The overlay can interfere with the game’s rendering pipeline, especially on systems with less than 16GB of RAM. Disabling it is a low-risk, high-reward fix that you should try before anything else.

Should I reinstall the game to fix crashes?

Reinstalling is a last resort. It only helps if the game files are corrupted, which is rare. Before reinstalling, try verifying files, updating drivers, and disabling the overlay. If you do reinstall, make sure to delete the game’s cache folder (usually in Documents/Assassin’s Creed Mirage) to remove any corrupted settings.

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

More cards in this drawer

The whole Numbers and Powers drawer →