Some links on this page are affiliate links: if you buy through them we may earn a commission, at no extra cost to you.
The “UE-Sandfall Game has crashed and will close” message is a fatal crash from the Windows PC version of Clair Obscur: Expedition 33, not an in-game warning. It can appear while launching, loading a save, entering a new area, fighting, or viewing a cutscene. There is no single confirmed fix for every computer, so the safest approach is staged troubleshooting: verify the installation, update Windows and the graphics driver, remove overlays and overclocks, test administrator mode and -dx11, then reduce rendering load. Back up saves before changing the local Sandfall folder, because that operation can remove saved-game data.
What does “The UE-Sandfall Game has crashed” mean?
“UE-Sandfall” identifies the game’s Sandfall/Unreal runtime. Clair Obscur: Expedition 33 is a Sandfall Interactive game published by Kepler Interactive and released on April 24, 2025. Its PC build is fully realized in Unreal Engine 5, so this dialog means the game process encountered a fatal condition and Windows is closing it.
As an Amazon Associate I earn from qualifying purchases.
Recommended Free Tools
The message does not identify one cause. Player reports and troubleshooting guides associate it with demanding scenes, memory allocation, graphics-driver compatibility, damaged installation files, and unstable overclocks. Those are reported associations rather than a developer-confirmed diagnosis.
Record exactly when the crash occurs before changing anything. A failure at startup, a crash after one cutscene, and a crash while loading one save point to different tests, while apparently random failures call for broader stability checks.
Popular on Amazon
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
When can Expedition 33 crash?
The same fatal dialog has been reported in several parts of the game, including:
- Immediately after pressing Play or while the launcher is opening.
- When loading a particular save.
- After a cutscene or during a transition into a new area.
- During combat, especially in visually dense sequences.
- While exploring and streaming new environments.
If one scene reproduces the crash every time, keep a note of the save, area, enemy encounter, or video sequence. That information helps you evaluate each change and gives support staff a useful reproduction pattern.
Does your PC meet the official requirements?
Steam lists the following baseline for the Windows PC release. Meeting the minimum does not guarantee stability, but falling below it makes troubleshooting less meaningful.
| Item | Minimum | Recommended |
|---|---|---|
| Operating system | Windows 10 | Windows 11 |
| Graphics API | DirectX 12 | |
| Memory | 8 GB RAM | 16 GB RAM |
| Storage | 55 GB available; an SSD is required | |
| Target shown by Steam | 1080p at 30 frames per second on Low | 1080p at 60 frames per second on High |
The SSD requirement is the clearest storage-related fact. A larger or faster drive can provide installation and shader-cache headroom, but changing to an SSD is not a guaranteed Sandfall crash repair. If your current drive is nearly full or is a hard disk, a 1TB NVMe SSD can be a practical PC-readiness upgrade; it should not be presented as a fix by itself.
What should you do first?
Work from the least destructive checks to the more invasive ones. After each change, reproduce the same action that previously crashed instead of changing several variables at once.
Also popular on Amazon
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
-
Verify the installation
On Steam, open Library, right-click Clair Obscur: Expedition 33, choose Properties, open Installed Files, and select Verify integrity of game files. In the Epic Games launcher, open Library, use the three-dot menu for the game, choose Manage, and select Verify. The launcher compares local files with its manifest and replaces missing or corrupted data. Reports cited by troubleshooting guides say this has fixed the crash for some players.
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy. -
Install Windows and graphics-driver updates
Run Windows Update, restart, and then install the current driver from your GPU manufacturer’s official support channel. Outdated or incompatible drivers are repeatedly listed as possible contributors. If the crash began immediately after a driver change, a clean installation or a known-stable driver version is a reasonable diagnostic comparison; record which version you tested.
-
Disable overlays
Temporarily turn off the Steam overlay in the game’s properties and disable other recording, chat, performance-monitoring, or GPU-overlay tools. One cited guide reports that disabling the Steam overlay helped some players. Close the overlay software completely before launching, then restore services one at a time after a stable session.
-
Return hardware to stock settings
Remove CPU, GPU, and memory overclocks, undervolts, and aggressive automatic tuning while diagnosing. A system can appear stable in other games yet fail in a heavy Unreal Engine scene. If the crash disappears at stock settings, treat the tuning profile—not the game alone—as part of the cause.
-
Test administrator mode
Right-click the launcher or the game’s Sandfall executable, choose Properties, open Compatibility, and select Run this program as an administrator for a test. Both cited guides list elevated privileges as a reported remedy. Because it changes permissions rather than repairing content, turn it back off if it has no effect.
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.Also popular on Amazon
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter | 85W Max PD, 2 USB 3.0 & 1 USBC Data Ports, SD/TF Card Reader, for Laptops/Mac and Other Type C Devices (Charger Not Included)- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
-
Try the DirectX 11 launch option
On Steam, open the game’s Properties, stay on General, and enter
-dx11in Launch Options. Start the game and repeat the action that used to fail. Third-party guides describe this as one of the most widely reported compatibility tests. A successful DX11 launch shows that the rendering path changed the symptom; it does not prove DX11 is permanently superior or that the underlying fault is fixed. -
Reduce rendering and frame-time pressure
Temporarily cap the game at 60 frames per second, lower demanding visual settings, and use a less aggressive GPU power-management profile. Appuals associates crashes in heavy scenes with load and power behavior. Make one change at a time, test the troublesome scene, and increase quality gradually only after stability returns.
-
Reset configuration only after protecting saves
Some guides suggest renaming the local Sandfall folder or resetting its files. KeenGamer warns that renaming the folder can delete saved-game data. First confirm cloud synchronization has completed, exit the game and launcher, and copy your local save directory to a separate drive. Prefer moving or renaming clearly identified configuration files rather than the entire folder, and keep the backup until several sessions have loaded successfully.
Which fix should you try for each symptom?
Use the symptom to choose the next reversible test instead of applying every suggestion at once.
| Symptom | Priority tests | Why this order |
|---|---|---|
| Crash before the main menu | Verify files; update Windows and the GPU driver; disable overlays; test -dx11 |
These checks address launch files and graphics initialization without touching saves. |
| Crash when loading one save | Verify files; back up saves; test -dx11; reduce settings; try another save |
A single save or scene may be a reproducible content trigger. Do not rename the Sandfall folder before making a copy. |
| Crash after a cutscene or area transition | Verify files; cap at 60 FPS; lower load; update the driver; test -dx11 |
Streaming and high-detail sequences can expose frame-time, memory, or driver problems. |
| Random crashes during play | Return overclocks to stock; check temperatures and free storage; update drivers; disable overlays | Broad instability requires removing hardware and background-software variables. |
| Crash only with a particular overlay or tuning profile | Leave that overlay or profile disabled and reintroduce it later | Reintroducing one variable at a time confirms whether it is involved. |
Is -dx11 a permanent solution?
Not necessarily. The PC listing specifies DirectX 12, while third-party troubleshooting reports describe -dx11 as a compatibility experiment. If it allows the game to launch or pass a troublesome scene, keep notes about the result and use it as a workaround while you continue checking files, drivers, overlays, and system stability.
Also popular on Amazon
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Changing the launch option is easy to reverse: remove -dx11 from the same Steam field and launch normally. Do not infer from one successful test that every crash is a DirectX 12 defect; the test only shows that the alternate rendering path changed your computer’s behavior.
Can administrator mode, an overlay change, or a file check damage the game?
File verification, disabling an overlay, and changing a launch option are comparatively low-risk and reversible. Administrator mode also leaves game content intact, although it grants the process additional Windows permissions and should be used only as a diagnostic test.
Configuration resets are different. Renaming the local Sandfall folder can remove or hide saves, according to the cited warning, so make an independent backup first and avoid deleting anything until you have confirmed that your restored copy loads.
What if none of these steps works?
Stop changing settings randomly and document the state that still fails: Windows version, GPU model and driver version, whether the crash occurs at launch or in a named scene, whether -dx11 changes it, and which verification result the launcher reported. Include whether the computer is overclocked, whether other Unreal Engine games are stable, and whether a new save behaves differently from the original.
The available evidence does not establish one universal repair, and no clearly indexed Sandfall Interactive support bulletin is identified for this specific dialog. The documented remedies are therefore evidence-based triage from the store requirements and third-party reports, not a developer-certified procedure. If a reproducible crash remains after a clean, stock-configuration test, submit the recorded details through the game platform’s support route rather than repeatedly deleting local data.
Also popular on Amazon
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
How do you avoid losing progress while troubleshooting?
Keep two copies of local saves before any folder or configuration reset: one in the original location and one outside the game’s directories. Wait for cloud synchronization to finish, quit the game normally, and label the backup with the date and the last save that loaded. Test a copied save or a new game when possible; that separates a damaged profile from a system-wide crash without sacrificing the original.
Do not treat a reinstall as the automatic next step. A reinstall can replace damaged files, but verification is faster and less disruptive. If you eventually reinstall, preserve the save backup and confirm the launcher has finished downloading all content before testing the old save.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
What should you change back after a successful test?
Restore one setting at a time: remove the -dx11 option if you need the normal rendering path, re-enable overlays individually, and raise quality settings gradually. Keep the frame cap or reduced settings if they are the only stable configuration, and leave overclocks disabled until you have confirmed several long sessions without a crash. This controlled rollback identifies the setting that reintroduces the failure.
What is the practical verdict?
Treat “UE-Sandfall Game has crashed” as a PC fatal-error symptom with several plausible triggers, not as proof that a particular component has failed. Verification, current drivers, no overlays or overclocks, an administrator test, -dx11, and lower temporary load form the safest documented progression. Protect saves before folder changes, and regard every result as a diagnostic clue because none of the reported remedies is guaranteed on every PC.
Frequently Asked Questions
Will reinstalling Expedition 33 always remove the crash?
No. Reinstallation can replace damaged files, but it does not address driver conflicts, overlays, unstable tuning, or scene-specific rendering problems. Verify the installation first and preserve local saves before removing anything.
Does this error mean my graphics card is dying?
Not by itself. The same dialog has been associated with software files, drivers, memory allocation, overlays, and overclocks, so one game crash cannot diagnose hardware failure. Compare behavior at stock settings and in other demanding games before drawing that conclusion.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsCan I use a different save to get past a crash?
Yes, testing another save or a new game can show whether one profile or scene is involved. Keep the original save backed up; do not overwrite it while investigating a reproducible loading failure.
Should I leave overlays disabled forever?
Only if re-enabling one causes the crash to return or you prefer the extra stability. Add overlays back individually after a stable session so you can identify the specific conflict instead of disabling every background feature permanently.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
