Fallout 3 is an old but classic game. Although Fallout 3 can be installed and played on Windows 10 (read this article to learn how), you may meet crashing problem now and then at any moment.
Here are a few solutions that can help you get rid of this crashing problem.

Try these fixes:

There’re 5 fixes that have helped many gamers solve their crash problem. You don’t have to try them all; just work your way down the list until you find the one that works for you.

  1. Play in Windowed mode
  2. Edit your configuration file
  3. Change compatibility and run Fallout 3 as administrator
  4. Update your graphics card drivers
  5. Reinstall Fallout 3
  6. Repair corrupted system files

Fix 1: Play in Windowed mode

Sometimes, game crashing can be easily solved by changing the game’s display options. Play the game in Windowed mode when you meet crashes. This method can let you play without crashes for hours.

  1. Run Steam.
  2. Launch the game and click Option.
  3. Tick the Windowed box under Mode.
  4. Relaunch the game and check the crash will appear or not.
Note: If using dual monitors, disable your second one from your Windows display settings.
Ensure that the resolution of the game matches that of your display monitors.

Fix 2: Edit your configuration file

If you follow the guide to install the game correctly, you can edit the configuration file to solve the crashing problem.

  1. Run Steam. Right-click on Fallout 3 in the Library and click Properties.
    Steam - how to verify integrity of game files
  2. Click Local Files, then click Browse… to locate the game files.
  3. Open Fallout_default. Search “Busethread” in the notepad.
  4. Change the bUseThreadedAI=0 into bUseThreadedAI=1.
  5. Add iNumHWThreads=2 beneath it, then Save the change.
  6. Relaunch the game and check whether it solves the problem.

Fix 3: Change compatibility and run Fallout 3 as administrator

The privilege issue might be the reason for crashing. With high-integrity access, Fallout 3 can make full use of its features, so run it as an administrator to see if this fixes your crashing.

  1. Run Steam. Right-click on Fallout 3 and choose Properties.
    Steam - how to verify integrity of game files
  2. In the Local Files tab, click Browse….
  3. Right-click on Fallout 3.exe and click Properties.
  4. In the Compatibility tab, tick Run this program in compatibility mode for.
  5. Open the dropdown menu and choose Windows XP (Service Pack 3).
  6. Tick Run this program as an administrator
  7. Click Apply > OK.
  8. Run Fallout 3 to check whether the game is running properly.

Fix 4: Update your graphics card drivers

It is very important to update your graphics card drivers. Windows 10 doesn’t always give you the latest version. But with outdated or wrong drivers, your game may encounter a crash. So it’s really important to keep your drivers updating to get a good gaming experience.

There are two ways you can update your driver: manually and automatically.

Option 1 – Manually– You’ll need some computer skills and patience to update your drivers this way, because you need to find exactly the right the driver online, download it and install it step by step.


Option 2 – Automatically (Recommended)– This is the quickest and easiest option. It’s all done with just a couple of mouse clicks – easy even if you’re a computer newbie.

Option 1 – Download and install the driver manually 

You can download graphics drivers the manufacturer official website. Search for the model you have and find the correct driver that suits your specific operating system. Then download the driver manually.

Option 2 – Automatically update drivers

If you don’t have time or patience to manually update your graphics drivers, you can do it automatically with Driver Easy.

Driver Easy will automatically recognize your system and find the correct drivers 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.

  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 Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system.

    (This requires the Pro version which comes with full support and a 30-day money-back guarantee. You’ll be prompted to upgrade when you click Update All. If you’re not ready to buy the Pro version, Driver Easy offers a 7-day free trial which includes access to all the Pro features such as high-speed download and one-click install. You won’t be charged anything until your 7-day trial has ended.)

  4. Restart your computer for the changes to take effect.
The Pro version of Driver Easy comes with full technical support.
If you need assistance, please contact Driver Easy’s support team at support@drivereasy.com.

Fix 5: Reinstall Fallout 3

If none of the fixes above works, it’s time to uninstall Fallout 3 and reinstall it. The broken system file may the reason for the crash. Do a clean uninstall, then download the game and follow the guide to set up the game.

Fix 6: Repair corrupted system files

Windows system file corruption sometimes will also crash the game. If you’ve played PC games for a long time, you may have already known that even a missing or corrupted .dll file (dynamic link libraries) would cause a game to crash.

If you’d like to repair all the corrupted system files ASAP, try using Fortect, a powerful tool that specializes in Windows repair.

It will compare your current Windows OS to a brand new and functioning system, then remove and replace all the damaged files with fresh Windows files and components from its continuously updated online database that contains a vast repository of system services & files, registry values, dynamic link libraries and other components of a fresh Windows installation.

After the repair process is done, Your PC’s performance, stability, and security will be restored and improved.

  1. Download and install Fortect.
  2. Open Fortect and click Yes to run a free scan of your PC.
  3. Fortect will scan your computer thoroughly. This may take a few minutes.
  4. Once done, you’ll see a detailed report of all the issues on your PC. To fix them automatically, click START REPAIR. This requires you to purchase the full version. But don’t worry. If Fortect doesn’t solve the issue, you can request a refund within 60 days.
The Pro version of Fortect comes with 24/7 technical support. If you need any assistance, please contact Fortect support:
Email: support@fortect.com

That’s it! We hope you find the above information helpful. And if you have any ideas, suggestions, or questions, feel free to leave a comment below.

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