7 Ways to Fix Elden Ring Nightreign Not Launching on a Windows PC

Elden Ring Nightreign is now available for players to play. However, some can’t play it because Nightreign doesn’t start on their PCs. For example, a player reported this on Reddit, “When trying to launch Nightreign, I get the anti-cheat splash screen, then a white screen, then it crashes back to Steam.” Many players have reported Nightreign crashing at startup in various ways. This is how you can fix Elden Ring Nightreign not launching on a Windows PC.

Reinstall Easy Anti-Cheat

First, try reinstalling Easy Anti-Cheat, which some players say can fix Elden Ring Nightreign not launching. Elden Ring Nightreign startup issues can arise because the game’s anti-cheat software needs fixing. You can reinstall Easy Anti-Cheat like this:

1. Open Explorer and the Steam > steamapps > common > Elden Ring Nightreign > Game > easyanticheat folder.
2. Right-click the uninstall_easyanticheat_eos_setup file and select Run as administrator.
3. Next, right-click the uninstall_easyanticheat_eos_factory_reset file to select its Run as administrator option.
4. Click the install_easyanticheat_eos_setup file with the mouse’s right mouse button to select Run as administrator.
   
   

   The uninstall_easyanticheat_eos_factory_reset file

5. Right-click the easyanticheat_eos_setup and select Run as administrator.

Set a DX11 Launch Parameter

Setting a DX11 (DirectX 11) launch parameter can sometimes fix Elden Ring Nightreign launching, particularly when it shows a white screen. Applying this potential solution sets Nightreign to use DirectX 11 rather than DX12. You can set the DX11 launch parameter for Nightreign like this:

1. Start Steam by clicking on its Library tab.
2. Next, right-click the Elden Ring Nightreign game to select Properties.
3. Input -dx11 within the launch options box for the game.

The -dx11 launch parameter

Select the All Processes Core Option

Selecting All Processors is another confirmed way to fix Elden Ring Nightreign launching. That option sets the game to use all processor cores. This is how you can select All Processes.

1. Start the Steam program.
2. Right-click an area of your taskbar to select Task Manager.
3. Click the Details tab to view processes.
4. Right-click the Steam process to select the Set Affinity option.
   
   

   The All Processes option

5. Now select OK on the Processor affinity window.

Verify the Nightreign File Integrity

A verification scan is a recommended troubleshooting method for general game startup issues. This is because corrupted or missing files can often cause such issues. Try running a verification scan for your Nightreign game by going through the steps on this Steam help page.

The Verify integrity of game files option

Apply a Windows Clean Boot

A Windows clean boot is a troubleshooting method that can sometimes fix Elden Ring Nightreign not launching, as confirmed by players who’ve applied it. Clean booting is a troubleshooting method that turns off third-party startup items. This Microsoft page provides instructions for applying the clean boot.

The System Configuration window

Enable TPM

If Nightreign is crashing at startup with a white screen, TPM (Trusted Platform Module) might be disabled on your PC. Enabling TPM will likely be a potential fix in this scenario. Check out this page for details about how you can enable TPM on your PC.

Turn Off Memory Integrity

Disabling Memory Integrity has also worked for some players who’ve needed to fix Elden Ring Nightreign not launching. Memory Integrity is a Windows security feature that can sometimes conflict with games. This Microsoft guide to optimizing gaming performance provides instructions for disabling Memory Integrity.

The Memory Integrity option

Other Possible Ways to Fix Elden Ring Nightreign Not Launching

Numerous other troubleshooting methods might fix Elden Ring Nightreign not launching on Windows PCs beyond those discussed above. Try applying these possible fixes if the game still doesn’t start:

• Apply a graphics driver update for your PC’s GPU.
• Reinstall your Elden Ring Nightreign game.
• Install the latest updates for Windows 11 (including available version updates).
• Download the latest (2015-2022) x64 and x86 Visual Studio packages from this Microsoft page. Then, double-click their files and select the Repair or Install options.
• Set your Elden Ring Nightreign game to run with administrator rights.

The troubleshooting methods outlined above have worked for many players who’ve needed to fix Elden Ring Nightreign not launching. So, maybe one of them will get that game started on your PC. If you need more potential solutions, you can click the Submit a Request button on this Namco page to contact the game’s help service.