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Warhammer 40k Boltgun Crashing, Won't Launch, Fatal Error Fix

Welcome, Warhammer 40,000: Boltgun players! It's definitely a blast being a Space Marine, shredding through legions of Chaos Space Marines, and daemons with your devastating arsenal. But it's not quite as fun when your Warhammer 40k Boltgun game starts crashing, won't launch, or starts showing a fatal error. Therefore, in this guide, we are going to walk you through some quick fixes to these issues.

Warhammer 40k Boltgun Crashing, Won't Launch, Fatal Error Fix

Remember, undeniably, the solutions that we provide here are going to be general fixes. These solutions have helped many players, but they might not work for everyone. So, let's power up your PC & GPU, and resolve these issues!

Verify Game Files

Surprisingly, many issues stem from corrupted or missing game files. In fact, if Warhammer 40k Boltgun is crashing or not launching, the first thing you should do is Verify Your Game Files.

  1. On your game library in Steam, right-click on Warhammer 40,000: Boltgun
  2. Select Properties
  3. Navigate to the Local Files tab
  4. Then click on Verify Integrity of Game Files.

Steam will then begin to check all your game files and replace any corrupted or missing ones. This might take a few minutes, so patience is key.

Update Graphics Drivers

It is absolutely important to ensure that your GPU drivers are updated. Old drivers could be the reason for your game crashing or not launching.

If you're using Nvidia, AMD, or Intel, you can head over to their official websites and download the latest drivers for your GPU. Updating your drivers is a fairly simple process, but if you're uncertain, you can always find a step-by-step guide on the respective website.

To download the latest graphics drivers, you can use these links:

Update Your OS

A system running on an outdated operating system can cause the Warhammer 40,000: Boltgun game to crash or show a fatal error. Therefore, always ensure your operating system is up to date.

For Windows users, click on Start, then Settings. Go to Update & Security, then Windows Update. If there are any available updates, click on Download and Install.

Install Microsoft Visual C++ Redistributables

Games like Warhammer 40,000: Boltgun requires certain files from Microsoft Visual C++ Redistributables to function properly. If game files of Warhammer 40k Boltgun are missing or corrupted, it could lead to the game not launching or crashing.

  1. Navigate to the Microsoft Visual C++ Redistributable download page.
  2. Download the latest version and install it. Install X86 and X64 both.

This simple step could potentially resolve your game issues.

Run the Game as an Administrator

At times, Warhammer 40k Boltgun might require administrative privileges to access certain files or services. Running the game as an administrator is a simple but effective fix.

  1. Go to your Steam library and right-click on Warhammer 40,000: Boltgun.
  2. Select Properties, then Manage, and finally Browse Local Files.
  3. Right-click on the game's .exe file and go to Properties.
  4. Under the Compatibility tab, tick the Run this program as an administrator box and click Apply.

Unplug Your VR Headset

If you have a VR headset connected, surprisingly, it might be the cause of your Warhammer 40,000: Boltgun game crashing instantly! The game can occasionally have conflicts with certain VR headsets. Therefore, a quick and simple solution is to unplug your VR headset before you launch the game.

On the other hand, if you're still facing the same issue, there's another method you can try:

  1. Open your Steam client.
  2. Navigate to your Library menu.
  3. Right-click on Warhammer 40,000: Boltgun.
  4. Select Manage > Browse Local Files.
  5. Go to Engine > Binaries > ThirdParty.
  6. Here, you'll find an OPENXR folder. This folder contains files used for VR. To fix the crash issue, you can either rename or delete this folder.

Remember, you can always download these files again by verifying your game files. So don't worry about losing anything crucial. Once this is done, you should hopefully be able to launch Warhammer 40k Boltgun without any issues.

Reinstall the Game

As a last resort, if your Warhammer 40,000: Boltgun game is still crashing or not launching, you might have to reinstall the game. It's a time-consuming process but sometimes, it's the only way to get things working again.

Remember to back up your save files before uninstalling the game. Once the game is uninstalled, you can then reinstall it through your Steam library.


In conclusion, dealing with issues like Warhammer 40k Boltgun crashing, won't launch, or a fatal error can be frustrating, especially when you're geared up to blast some Chaos heretics. However, with this guide, you can confidently troubleshoot these issues and get back to the high mobility, blood-spilling, visceral combat experience that the game is loved for.

Most importantly, keep your gaming rig updated and well-maintained. This will definitely go a long way in ensuring a smooth gaming experience. In addition, always remember that you're part of an awesome community of Warhammer 40,000: Boltgun gamers, so don't hesitate to reach out for help or share your own tips and tricks.

Now, let's get that Boltgun loaded and dominate the battlefield, Space Marine!