You can learn why Unreal Engine 4 crashing and 10 effective ways to fix it, at the same time provide an easy way to backup your system. You can scroll down to learn more details about it.
"I've been using different versions of Unreal Engine 4 on my computer for several years, but recently it suddenly crashed on startup. I initially thought it was a project related issue, but then noticed that even from the desktop icon Or the Epic Games Launcher executes Unreal Engine 4, which also crashes directly after flashing for a few seconds. This issue is really giving me a headache as I've never made any changes to the system before this, and from the log files, The reason seems to be that Unreal Engine 4 can't find more than one file. I'm really stumped by this issue, can anyone give some solid advice?"
Unreal Engine is a game engine developed by Epic Games for first-person shooters in 1988. It has now been updated to the fifth generation, but the most popular worldwide is still Unreal Engine 4. As one of the best modern game engines, Unreal Engine 4 has unique tools for designing and creating games, but at the same time the engine has some problems, the most common of which is the crash described in the above case. If you are also suffering from Unreal Engine 4 crashing issue, please read the following in detail to fix this issue. But before that, it is recommended that you understand the cause of the problem.
Typically, crashes only occur when the Unreal Engine 4 process cannot continue to function or an error occurs. So, why does this happen to the Unreal Engine 4 process? The following are common reasons.
If you're having trouble with Unreal Engine 4 crashing on startup, here are 10 ways to fix it.
As a popular game engine in the world, Unreal Engine 4 is still constantly launching new versions. If you have not updated for a long time, the old version of Unreal Engine 4 may have stability problems, which may cause it to crash in severe cases. To do this, you need to check and install the latest version of Unreal Engine 4. Note that the following actions need to be done in the Epic Games launcher, so you'll need to download and install it first.
After installing the latest version, restart Unreal Engine 4 and see if the crash still occurs, if the problem persists, go to the next method.
Unreal Engine 4 crashes when the graphics card driver is outdated or corrupted. According to the feedback from many users, updating the graphics card driver is an effective repair method, and it also helps to improve the game performance and experience.
Note: In addition to updating the driver from the Device Manager, you can also go to the official website of the graphics card manufacturer (NVIDIA or AMD) and manually download and install the latest driver.
Unreal Engine 4 may also crash if the Epic Games launcher installation file is incorrect. Therefore, when you encounter this problem, you can try the tools built into the Epic Games launcher to check for corruption of installed files.
Note: If Unreal Engine 4 crashes during the game, you can select the crashed game in the game library, click the gear icon, and then click Properties > Local Files > Verify, which will automatically repair the corrupted local files.
Overclocking can effectively increase the frequency of the CPU and graphics card, and improve the overall performance of the computer for a better gaming experience. But in fact, overclocking will cause unstable performance, resulting in poor CPU or graphics card stability, which may cause Unreal Engine 4 to crash. So, when you encounter the above problem during overclocking, you can try to stop overclocking to fix the problem.
Typically, overclocking graphics cards requires specialized overclocking software, such as AMD Wattman, Sapphire TriXX, EVGA Precision X, MSI Afterburner, etc. Therefore, if you want to stop the overclocking of the graphics card, you only need to adjust the frequency back to the normal state in the overclocking software and close the overclocking software. Note that the stopping method for CPU overclocking is also the same. After stopping all overclocking, restart your computer and start Unreal Engine 4 and see if the crashing problem still occurs, if the problem persists, go to the next method.
Intel's CPUs and notebook computers are often equipped with integrated graphics cards. Compared with independent graphics cards, integrated graphics cards have the advantages of low power consumption and low heat generation, but the overall performance is lower. If you are using an integrated graphics card to play the game, there may be a lack of performance that can cause Unreal Engine 4 to crash. So you need to check and change the default graphics card. Note that this method requires a discrete graphics card to be installed in your computer to work.
Restart your computer and start Unreal Engine 4 and see if the crash still occurs, if the problem persists, go to the next method.
System File Checker (SFC) is a tool integrated in Windows systems that scans all protected system files and verifies their integrity, and replaces any damaged system files if found; Deployment Image Servicing and Management Tool (DISM) is a command-line tool that allows system administrators to prepare, modify, and repair repair Windows system images, including Windows Recovery Environment, Windows Installer, and Windows PE. Together, these two tools can help you fix Unreal Engine 4 crashes.
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /RestoreHealth
Restart your computer and start Unreal Engine 4 and see if the crash still occurs, if the problem persists, go to the next method.
Timeout Detection and Recovery (TDP) is mainly used to check whether the graphics card and computer are in normal working condition, and reset your graphics card if not. The TDR value represents the recovery level, you can try to modify the TDR value from the login editor, which will help to fix the crash of Unreal Engine 4. Please note that there is a certain risk in editing the login file. If there is an editing error, it will cause irreversible damage to the operating system and cause the system to crash. Therefore, it is recommended that you backup file before the operation .
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers
Restart your computer and start Unreal Engine 4 and see if the crash still occurs, if the problem persists, go to the next method.
While Windows 10 and Windows 11's built-in Windows Defender Firewall is good enough for virus protection, many users are still obsessed with installing third-party antivirus software to keep their computers safe. These 3rd party antiviruses are usually not a problem, but sometimes they can interfere with other applications and cause problems with Unreal Engine 4 crashing. At this point, you need to disable or uninstall third-party antivirus software to fix the problem.
Restart your computer and start Unreal Engine 4 and see if the crash still occurs, if the problem persists, go to the next method.
In some cases, game compatibility issues may also cause Unreal Engine 4 to crash. According to feedback from some users, disabling the full-screen optimization function can effectively fix this problem. Please note that the following operations use the game Fortnite as an example.
Native Disk (C:)>Program Files (x86)>Epic Games>Fortnite>Fortnite Game>Binaries>Win64.
Reinstalling the application can effectively fix many problems, and if none of the above methods solve your Unreal Engine 4 crashing issue, then you have one last option and that is to reinstall it.
The crash of Unreal Engine 4 will seriously affect your game experience. Please refer to the above 10 methods to fix this problem as soon as possible to ensure that you can play the game smoothly. However, behind the above problems may involve corrupted system files and cause system crashes, etc. Therefore, it is recommended to develop a habit of regularly backing up your system, using AOMEI Backupper Standard for scheduled system backups to prevent any possible system problems.
In Windows 11/10/8.1/8/7/Vista/XP and other versions, you can use AOMEI Backupper Standard to free system files, boot file related partitions (EFI system partition and recovery partition, etc.), system disk applications and User settings files are backed up to any location. If you have never used the software before, please follow the steps below. In any case, you need to download and install the software:
Step 1. First open the software, click Backup and then select System Backup.
Step 2. The software will automatically select the system partition and boot-related partitions. So you only need to select a destination.
Step 3. Click Start Backup to backup system before upgrade.
Notes:
The crash of Unreal Engine 4 will directly affect the game experience. Please try the 10 methods provided in this article as soon as possible to fix it. However, it should be noted that damaged system files may be the cause of this problem. In order to prevent more serious system crashes, it is recommended that you develop the habit of regularly backing up your system. Quick recovery in the event of a system crash.
You can create system backup images in different Windows versions through AOMEI Backupper Standard, and you can easily complete system backup in just a few simple steps. In addition to this, the software can also provide you with other more functions, such as Partition backup, disk clone , partition clone, etc., to meet your more needs.