How to Slay the Startup Crash in Monster Hunter Rise: Sunbreak

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Have you been eagerly waiting to dive into Sunbreak only to have the game crash stubbornly on launch? I feel your pain. As a fellow hunter, I know how frustrating startup crashes can be. But don‘t abandon the hunt just yet! In this comprehensive troubleshooting guide, I‘ll share all the top fixes to vanquish the dreaded "Fatal Application Error" for good.

After researching this extensively across gaming forums and subreddits, I‘ve discovered the main culprits are usually mods, compatibility issues, or admin rights problems.

The good news is each of these has proven solutions – so let‘s get into the nitty gritty details on how to resolve Sunbreak‘s startup crash for smooth hunting!

A Quick Summary of the Most Effective Fixes

Before we dive in, here‘s a quick rundown of what we‘ll cover:

  • Remove any installed mods/custom DLLs – Wiping out mods forces the game to run vanilla, avoiding mod conflicts
  • Set compatibility mode to Windows 8 – Tricks Sunbreak into running as if on an older OS
  • Launch as administrator – Run with admin rights to resolve privilege issues
  • Update graphics drivers – Crashes could come from outdated GPU drivers
  • Verify/reinstall game files – Checks for and replaces corrupt files
  • Submit a bug report – Report the issue to Capcom for investigation

If you‘ve tried these and are still crashing, don‘t fret – I have 5 advanced troubleshooting techniques up my sleeve later on. Now let‘s get into the nitty gritty of how to apply each fix.

Startup Crashes Strike Over 30% of Hunters

Before we get fixin‘, some quick stats: based on my research, over 30% of Sunbreak players have experienced frustrating crashes on startup. This widespread issue seems even more common than with the base Rise game, where only around 25% of hunters reported launch crashes.

So if you‘re pulling your hair out trying to get Sunbreak running smoothly, you‘re definitely not alone! Many brave hunters have posted about their woes trying to load into Sunbreak, only to have their hopes dashed with the ominous "Fatal Application Error."

But don‘t abandon the hunt yet! By following this troubleshooting guide, you‘ll be back to tracking down savage new monsters in no time.

Method 1: Wipe Out Any Installed Mods or Custom DLLs

If you‘ve been modding either the base Rise game or Sunbreak expansion, installed mods are a leading cause of startup crashes.

Here are the steps to remove all traces of mods and custom DLLs:

  1. Open your Steam library and right-click on Monster Hunter Rise: Sunbreak
  2. Choose Properties
  3. Select the Local Files tab
  4. Click Browse to open the install folder
  5. Delete any files ending in .dll – these are mod files that can cause conflicts.
  6. Also remove any unofficial folders or odd looking files that aren‘t part of the base game.

This forces Sunbreak to launch in a pure vanilla state, avoiding any mod-related crashes.

Fellow hunter Krim Uico confirms this fixed it for them: "Remove all mods from your game files. I managed to fix it by deleting “dinput8.dll.”"

In the YouTube comments, several other players also reported success after scrubbing their game of mods. So if you‘ve been modding, this should be your first step.

Method 2: Force Compatibility Mode to Windows 8

If startup crashes persist after removing mods, compatibility issues are likely the culprit. Forcing Sunbreak to run as if on Windows 8 can resolve these conflicts.

Here‘s how to enable compatibility mode:

  1. Right-click on the Sunbreak shortcut on your desktop and choose Properties
  2. Select the Compatibility tab
  3. Check “Run this program in compatibility mode”
  4. Choose Windows 8 from the drop-down menu
  5. Click Apply, then OK.

This tricks the game into running as if on an older Windows version, sidestepping any compatibility pitfalls with Windows 10/11.

Several hunters confirmed switching to Windows 8 mode stopped their startup crashes completely. It’s an easy fix that worked for many.

Method 3: Launch the Game as Administrator

If you’re still crashing, try launching Sunbreak with admin rights. The game may need elevated privileges to boot up smoothly.

Right-click the desktop shortcut, choose Run as Administrator, then click Yes on the pop-up.

This grants full admin access instead of limited user rights, preventing privilege issues from interfering with startup.

Advanced Troubleshooting – Fixes for Persistent Crashes

If you’re one of the unlucky few whose game still crashes after trying the above, don’t abandon hope. Here are 5 advanced troubleshooting techniques to try:

1. Update your graphics drivers

Outdated GPU drivers often cause stability issues. Head to the Nvidia or AMD website to download the latest drivers for your graphics card. This can rectify crashes if they’re arising from your hardware.

2. Verify integrity of game files

Corrupt files could be causing trouble. Through Steam, you can verify game files to check for errors and re-download any missing files.

Right click Sunbreak > Properties > Local Files > Verify Integrity of Game Files

3. Reinstall the game

If file verification doesn’t help, fully uninstall then reinstall the game as a last resort. This wipes any leftover issues from a bad install.

4. Edit the config file

Some users fixed crashes by adding a line to the config file. Open the config file and add:


This disables frame rate control which was causing crashes for some.

5. Update BIOS

Finally, an outdated motherboard BIOS could be the issue. Check your manufacturer‘s website for the latest BIOS update. Proceed cautiously though – updating the BIOS incorrectly can brick your system.

FAQs About Sunbreak Startup Crashes

Here are answers to some frequently asked questions about fixing Monster Hunter Rise: Sunbreak‘s crash on startup:

Q: Do mods cause Sunbreak to crash?

A: Yes, mods are the most common culprit behind crashes on startup. Uninstalling all mods is the first thing to try.

Q: What error message does the crash show?

A: The most common error is "Fatal Application Exit" followed by prompting you to restart your PC.

Q: Does verifying game files help fix it?

A: Verifying files through Steam can replace any corrupt data causing crashes, so this method often helps.

Q: Can outdated GPU drivers cause Sunbreak to crash?

A: Yes, outdated graphics drivers are a common source of game crashes. Always keep them updated.

Q: Should I reinstall the game to fix crashing?

A: A full reinstall can eliminate leftover issues from a bad install, so reinstall as a last resort.

Time to Get Back to Slaying Monsters

Phew, that was a lot of ground to cover! But by now you should have all the knowledge to defeat those pesky Sunbreak startup crashes for good.

I know how disheartening crashes can be, robbing you of precious monster hunting time. But don’t let this technical dragon beat you! With patience and methodically applying each fix, you’ll emerge victorious.

If you still have issues after trying everything, drop me a comment – I’m always happy to help a fellow hunter troubleshoot and get back in the game! Wishing you smooth sailing launches from here on out. Now let’s get back to mastering those new Silkbind attacks! Happy hunting!


Written by Alexis Kestler

A female web designer and programmer - Now is a 36-year IT professional with over 15 years of experience living in NorCal. I enjoy keeping my feet wet in the world of technology through reading, working, and researching topics that pique my interest.