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17 Ways To Fix Lego Fortnite Crashing, Freezing, Not Launching On PC

Lego Fortnite crashing, freezing, or not launching on your PC is a common problem that can manifest as frustrating disruptions to your gaming experience.

This page covers all of the tested and proven solutions for how to fix it when Lego Fortnite is not launching on your PC, in addition to some tips for preventing these issues in the future.

Why Is Lego Fortnite Crashing, Freezing, Not Launching On PC

Lego Fortnite crashing on your PC is usually caused by:

  • Outdated graphics drivers
  • System requirements not met
  • Corrupted game files
  • Conflicting background applications
  • Insufficient system resources

How to Fix Lego Fortnite Crashing, Freezing, Not Launching On PC

Here are the best solutions for how to fix Lego Fortnite crashing, freezing, or not launching on your PC.

1. Update your graphics card drivers. Download and install the latest graphics drivers for your specific card and Windows version. Ensure to download drivers only from official sources to avoid compatibility issues.

  • Open the Start menu and search for “Device Manager“.
  • Click on “Display adapters“.
  • Right-click on your graphics card and select “Update driver“.
  • Choose “Search automatically for updated driver software“.
  • If a newer driver is available, follow the on-screen instructions to install it.
  • Restart your PC and try launching Lego Fortnite again.

2. Verify the integrity of game files. Verifying game files ensures any corrupted files are detected and replaced.

  • Open the Epic Games Launcher.
  • Go to your Library.
  • Click on the three dots next to Lego Fortnite.
  • Select “Manage“.
  • Click on the “Verify” button.
  • The launcher will scan your game files and replace any corrupted ones.
  • Once the verification is complete, try launching Lego Fortnite again.

3. Close Background Applications. Closing essential processes may lead to instability; only close non-essential applications.

  • Press Ctrl + Shift + Esc to open Task Manager.
  • Identify resource-intensive applications under the “Processes” tab.
  • Right-click and select “End Task.”

4. Check your system specifications. If your hardware falls short, consider upgrading components for a smoother gaming experience.

OS: Windows 10 64-bit
CPU: Intel Core i7-8700, AMD Ryzen 7 3700x, or equivalent
Graphics: Nvidia GTX 1080, AMD Radeon RX 5700 XT, or equivalent GPU
Memory: 16 GB RAM or higher
VRAM: 4 GB VRAM or higher
Additional: NVMe Solid State Drive

5. Temporarily disable your antivirus software. Right-click on the antivirus software icon in your system tray. Select “Disable protection” or a similar option. Try launching Lego Fortnite again.

Note: Re-enable antivirus/firewall after ensuring Lego Fortnite works to maintain system security.

6. Remove Administrator’s Rights. In rare cases, having administrator privileges can interfere with game files. Try launching Lego Fortnite with a non-administrator account to see if that resolves the issue.

  • Right-click on the LEGO Fortnite game launcher.
  • Click on Properties.
  • Go to the Compatibility tab.
  • Uncheck the “Run this program as an administrator” option for both the launcher and the game’s executable file.
  • Click “Apply” and then “OK.”

7. Move the Game to SSD. Installing Lego Fortnite on a solid-state drive (SSD) can significantly improve loading times and reduce stuttering. This can be especially helpful if you’re experiencing crashes during loading screens or in areas with a lot of textures.

Right-click on the game in the Steam library. Click on Properties > Local Files > Move Install Folder > Choose your SSD as the destination and let the action complete. Launch the game from your SSD and check for improvements.

8. Repair Easy Anti-Cheat. Lego Fortnite utilizes Easy Anti-Cheat, a third-party anti-cheat software. Sometimes, this software can become corrupted or damaged, leading to crashes. You can try repairing Easy Anti-Cheat through its own launcher.

Navigate to the game installation folder through Steam. Find the Easy Anti-Cheat folder and run “EasyAntiCheat_Setup.exe” as an administrator. Select LEGO Fortnite and click on “Repair Service.” Once the repair is complete, launch the game and see if the problem persists.

9. Perform a clean install of Lego Fortnite. You have to completely remove any existing game files and data from the PC and then install the game again from scratch.

  • Uninstall Lego Fortnite through the Epic Games Launcher.
  • Delete the following folders manually:
    • C:\Program Files\Epic Games\Fortnite
    • C:\Users%username%\AppData\Local\EpicGamesLauncher
  • Restart your PC.
  • Reinstall Lego Fortnite through the Epic Games Launcher.

10. Uncheck Internet Protocol 6 (IPv6). Some users have reported that disabling IPv6 can resolve launch issues with various games. Here’s how to do it.

Type “Control Panel” in the Windows search bar and open it. Go to Network and Internet > Network and Sharing Center > Choose your network connection > Properties > Uncheck the box for “Internet Protocol Version 6 (IPv6)” > Click OK and try launching the game again.

11. Laptop Users with Dual Graphics Cards. If you’re using a laptop with dual graphics cards, ensure that Lego Fortnite is set to use the dedicated graphics card instead of the integrated one. You can usually manage this through your graphics card control panel.

12. Disconnect Multiple Monitors and Close Overlays. Having multiple monitors connected or overlays running in the background can sometimes cause performance issues and crashes.

Try disconnecting any additional monitors and closing any overlays like Discord or Twitch before launching Lego Fortnite.

13. Increase Virtual Memory. Virtual memory is a portion of your hard drive that Windows uses as RAM when your physical RAM is full. Increasing virtual memory can improve performance and prevent crashes, but it’s important to not set it too high as it can negatively impact performance. Here’s how to increase virtual memory.

Type “View Advanced System Settings” in the Windows search bar and open it. Go to the Advanced tab, click Settings under Performance, and then click Advanced again. Under Virtual Memory, click Change and set a custom size (1.5 times your total RAM) for the page file on your primary drive. Restart your computer after applying the changes.

14. Install Visual C++ Files. Lego Fortnite requires specific versions of Visual C++ files to run properly. If these files are missing or corrupted, you may experience crashes.

Download and run the Visual C++ redistributable files from the provided Microsoft link (x86 and x64 versions). Restart your PC once the installations are complete.

15. Update Windows. Having the latest Windows updates can fix bugs and improve compatibility with games.

Type “Settings” in the Windows search bar and open it. Click on Windows Update > Check for updates. If any updates are available, download and install them. Restart your PC once the updates are installed.

16. Update System BIOS. An outdated BIOS can sometimes lead to compatibility issues with games. Updating your BIOS can potentially resolve crashes and other problems.

Warning: Updating your BIOS can be a risky process, so it’s important to carefully follow the manufacturer’s instructions and proceed with caution.

17. Contact Epic Games support. If you’ve tried all the steps above and Lego Fortnite is still not working, you can contact Epic Games support for further assistance.

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