Unreal Engine 4 keeps crashing on your PC? You’re definitely not alone. Thousands of players have recently reported the very same issue. What a nuisance! Especially when you’re in the middle of a game or editing. But the good news is that you can fix it. Here is a list of solutions that have proved useful to many players.

Try these fixes

You may not have to try them all; just work your way down the list until you find the one that works.

  1. Update your Unreal Engine 4
  2. Update your device drivers
  3. Verify the installation
  4. Stop overclocking your CPU
  5. Change your default graphics card
  6. Change your registry settings
  7. Disable your antivirus temporarily
  8. Perform a reinstalling

Fix 1: Update your Unreal Engine 4

Developers of Unreal Engine keep releasing new versions, so check if you have the latest version and install one if not. It’s the simplest fix to solve your crashing problem.

1) Open the Launcher, click Unreal Engine tab, then go to your library Tab.

2) At the top you should see Engine Versions, and click the small down arrow to make sure you have the most recent one installed.

3) If there is a new version available, select the latest version and click Install.

Once it is installed, you can see if everything works fine for you. Hopefully, it does. But if not, there are still a few fixes to try.


Fix 2: Update your device drivers

The crashing error may occur if the graphics card or video card is outdated or corrupted. According to many users, updating the drivers can always solve their problems. It can fix bugs and improve the gaming performance and experience.

There are two ways to update your driver – manually and automatically.

Option 1: Manually

You’ll need some computer skills and patience to update your drivers this way. To get your device driver, you need to go to its manufacturer website, download the latest and correct driver, then install it manually.

Option 2: Automatically

If you don’t have the time, patience or computer skills to update the driver manually, you can do it automatically with Driver Easy.

Driver Easy will automatically recognize your system and find the correct driver for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

You can update your driver automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee).

1) Download and install Driver Easy.

2) Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.

3) Click the Update button next to each device to download the latest and correct driver for it, then you can manually install it.

Or click the Update All button to automatically update all outdated or missing drivers on your computer (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).

4) After updating your drivers, restart your computer.


Fix 3: Verify the installation

Verifying the installation files can sometimes fix crashing issues. If you have Epic Launcher on your PC, you can use the built-in tool to check for the corruption within the installed files.

1) Open the Epic Launcher.

2) Click the Library Tab, then click the small down arrow to expand the drop-down list. Click Verify.

If Unreal Engine crashes during a game, you can navigate to the game in your Library and click on the cog icon > properties > local files > verify.

3) Wait for the scans to complete. After the verification, the launch option appears. Click Launch.

See if this fixes your problem. If not, don’t worry, try the fix below to solve your problem.


Fix 4: Stop overclocking your CPU

In order to improve the gaming experience, you might have adjusted your CPU settings to the highest mode. However, this will lead to excessive energy consumption which may cause the crash.

So if you’re overclocking the GPU, you can try to set your CPU clock speed back to the default. Many users find it helpful after doing so.

Also, turning down all the graphics settings to the lowest can help your Unreal Engine run smoothly.

If this fixes your crashing issues, congrats! But if not, you can try the next fix.


Fix 5: Change your default graphics card

Is there a Unreal Engine is exiting due to D3D device being lost warning on your screen? In this case, the problem may be caused by your integrated graphics card for its limited performance.

If you have a dedicated graphics card installed in your PC, you can set your dedicated graphics card as default graphics card to fix this error.

1) On your screen, right click, and select NVIDIA Control Panel.

2) Click Manage 3D settings.

3) Under the Global Settings tab, select High-performance NVIDIA processor in the drop-down list. Finally, click Apply.

4) Restart your PC, then see if the problem is solved. If not, you can try the next fix.


Fix 6: Change your registry settings

Your Unreal Engine 4 may crash because your TDR recovery level settings. Try to change the settings and see if it works.

TDR (Timeout Detection and Recovery) checks if your graphics card and your computer are working properly, and resets your graphics card and your GPU if not.

1) On your keyboard, press the Windows logo key and R at the same time to invoke the Run box.

2) Type regedit and press Enter to open Registry Editor.

3) Click File, then click Export.

4) Select the location where you want to save the backup copy, then type a name in the File name box. Click Save.

5) Go back to the Rigistry Editor, then go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers

4) On the empty space, right click, then hover over New and click QWORD (64-bit) Value.

5) Name the new value TdrLevel.

6) Double click TdrLevel. Make sure its value data is set to 0, then click OK.

7) Close Registry Editor and restart your computer. Then check if the problem still exists. If not, you can try the fix below.


Fix 7: Disable your antivirus temporarily

The Unreal Engine 4 crashing problem is sometimes caused by interference from your antivirus software. To see if that’s the problem for you, temporarily disable your antivirus program and check if the problem persists. (Consult your antivirus documentation for instructions on disabling it.)

If your game works properly after you disable the antivirus software, contact the vendor of your antivirus software and ask them for advice, or install a different antivirus solution.

Be extra careful about what sites you visit, what emails you open and what files you download when your antivirus is disabled.

If the crashing issue happens again, you can try to reinstall your Unreal Engine to fix your crashing issue .


Fix 8: Perform a reinstalling

Many people find a clean reinstalling can fix the problem. Just make sure you clear everything (including registry entries) assigned to Epic Launcher and Unreal Engine 4.

Don’t forget to back up your projects before reinstalling.

After completing installing, see if your issue still persists.


Did the fixes above solve your problem? Feel free to drop us a comment and share your experience with other users!

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