Why is Minecraft Crashing? Exit Code 805306369

Why this error occurs and how you can fix it

Co-authored by Zac Churchill and Travis Boylls

Last Updated: March 17, 2025 Fact Checked

It's frustrating when you are trying to enjoy a game of Minecraft when the game suddenly crashes and gives you a cryptic error code. Trying to figure out what the code means and how to fix it can be a challenge. Luckily, we've got you covered. This wikiHow article teaches you what causes Minecraft exit code 803306369 and how to fix it.

Minecraft Exit Code 805306369

Minecraft Exit Code 805306369 occurs when the Minecraft client doesn't have enough memory to function. You may have too many programs running in the background or not enough memory allocated to JVM. You may also be using mods that have bugs or take up too much memory.

1

Make sure you have enough memory.

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You may not have enough memory. Minecraft: Java Edition requires at least 1 GB (1024 MB) of RAM (8 GB recommended) to run. If your computer has less than 2 to 4 GB or RAM, you may need to add more RAM to your computer. Use one of the following steps to check how much RAM your computer has:
- Windows: Click the Windows Start button and type CMD. Click the Command Prompt to open it. Type systeminfo and press Enter. Make sure you have at least 1024 MB or RAM (8000 MB recommended).
- Mac: Click the Apple icon in the menu bar at the top. Click About this Mac. Click the Memory tab. Make sure you have at least 2 GB or memory (8 GB recommended).
- Linux: Press Ctrl + Alt + T to open the Terminal. Type free and press Enter. This will display the total amount of memory you have, as well as the memory you have free, and used in kilobytes (KB). Make sure you have at least 2,000,000 KB of RAM (8,000,000 KB recommended).

2

Restart your computer.

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Your computer's memory may be full. If your computer is running low on memory, you can quickly free up memory by restarting your computer. You can find the option to restart your computer in the Windows Start menu or the Apple icon on Mac.

3

Close background apps and process.

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You may have too many programs running. If you have too many programs and processes running at the same time, they may be eating up a lot of memory and causing Minecraft to crash. Close any programs you are not using while playing Minecraft. Web browsers and other games can use up a lot of memory. You may also want to make sure you limit the number of startup programs that launch when your PC starts up. Use one of the following steps to close background programs:
- Windows: Press Ctrl + Alt + Del and click Task Manager. Click any programs you are not using and click End Task.
- Mac: Press Option + Command + Esc. Select an application you are not using and click Force Quit.^{[1]
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4

Install the latest Minecraft Launcher.

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Normally, the Minecraft launcher updates automatically. If you don't have the latest version installed, you can download it from https://minecraft.net/download

5

Allocate more memory to JVM.

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Java Virtual Machine may not have enough memory allocated. You can allocate more memory to JVM using the Minecraft Launcher. Make sure you are allocating more than 1GB or 1024 MB or RAM, but less than the total RAM you have on your computer. Use the following steps to do so:
- Open Minecraft Launcher.
- Click Java Edition in the menu to the left.
- Click the Installations tab at the top.
- Click the icon with three dots (⋯) next to the installation you are having problems with.
- Click Edit.
- Click More options.
- Ensure "JVM Arguments" starts with "-Xmx2G" or "-Xmx2560MB" to allocate 2 GB or RAM.
  - You can increase these numbers to allocate more RAM (i.e. "4G" or "5000MB").
- Click Save.

6

Run a virus scan.

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You may have a virus or malware. You can run a virus scan on all platforms (macOS, Linux) using a third-party virus scanner, such as Malwarebytes, although virus threats aren't as much of a problem on macOS and Linux. Use the following steps to run a virus scan using Windows Security on Windows:
- Click the Windows Start menu.
- Type Windows Security.
- Click Windows Security.
- Click Virus & threat protection.
- Click "Scan options'.
- Select Full scan.
- Click Scan now.

7

Uninstall Minecraft mods.

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You may have incompatible mods. If you are playing Minecraft with mods, some of your mods may be incompatible with the version of Minecraft you are playing, they may use more memory than normal or have a bad dependency. Uninstall any mods you are using to see if this fixes the problem. Use the following steps to do so:
- Open Minecraft Launcher.
- Click Java Edition in the menu to the left.
- Click the Installations tab at the top.
- Click the icon with three dots (⋯) next to the mod loader you are having problems with.
- Click Delete to delete the mod loader or click the Folder icon to open the installation folder.
- Open the Mods folder.
- Delete the folder for the mod you are having problems with.

8

Uninstall and reinstall Minecraft.

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You may have a corrupt Minecraft installation. You can fix this by reinstalling Minecraft. This will also delete any mods you may be having problems with. Use one of the following steps to delete and reinstall Minecraft:^{[2]
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- To uninstall Minecraft on Windows, click the Windows Start and open Settings. Click Apps followed by Installed apps. Click the icon with three dots (⋯) next to Minecraft Launcher. Click Uninstall.
- To uninstall a Minecraft on Mac, open the Applications folder in Finder. Click and drag the Minecraft Launcher to the trash bin.
- Download Minecraft from https://www.minecraft.net/en-us/download and open the installation file in your Downloads folder. Follow the prompts to complete the installation.