PojavLauncher Crashing Fix 2026: The Complete Guide to Stop Crashes for Good

I know how frustrating that is. You just want to play Minecraft Java Edition on your Android phone. Instead, you’re staring at a crash report you don’t understand.

Good news: almost every PojavLauncher crash fix has a clear, simple solution. This guide walks you through every major cause and fix step by step so you can get back to playing fast.

These are the most common root causes:

  • Wrong Java Runtime version for your Minecraft version
  • Wrong renderer selected for your device’s GPU
  • Too much or too little RAM allocated
  • Conflicting or outdated mods breaking the game on launch
  • Corrupted cache or game files from a bad download
  • Resolution too high for your device to handle
  • Outdated PojavLauncher version with known bugs already fixed in newer releases
  • Restart your phone completely before launching again
  • Make sure you’re on the latest version of PojavLauncher (check GitHub)
  • Lower your render distance to 6 chunks or below
  • Switch your renderer to GL4ES 1.1 if you haven’t already
  • Remove any mods you added recently
  • Clear the app cache (Settings, Apps, PojavLauncher, Clear Cache)
  • Make sure you have at least 1GB of free storage on your device

Every Minecraft version needs a specific Java version to run. Using the wrong one causes instant crashes, often with no useful error message.

Here’s what version you need:

  • Minecraft 1.16 and below: Java 8
  • Minecraft 1.17: Java 16
  • Minecraft 1.18 and above: Java 17

How to change it in PojavLauncher:

  1. Open PojavLauncher
  2. Tap the profile icon or your username
  3. Go to “Manage Accounts and Profiles”
  4. Select your game profile
  5. Find the Java Runtime section
  6. Select the correct Java version for your Minecraft version
  7. Save and relaunch

Your three main options:

  • GL4ES 1.1  Most compatible. Works on almost every Android device. Best starting point.
  • GL4ES 1.4 Better performance on some devices. Try this if 1.1 is slow.
  • Zink (Vulkan) Fastest option, but only works on devices with Vulkan support.
  • LTW Good middle ground for mid-range devices.

How to change it:

  1. Open PojavLauncher
  2. Go to Settings (gear icon)
  3. Tap “Renderer”
  4. Select a different option
  5. Restart and test
  • Wrong Java version (see Fix 1)
  • A mod is incompatible with your Minecraft version
  • A corrupted game file

Step-by-step fix:

  1. First, try removing all mods from your mods folder
  2. Launch the game without mods  if it works, a mod is the problem
  3. If it still crashes, check your Java version matches your Minecraft version
  4. If both are correct, delete and re-download that Minecraft version inside PojavLauncher
  5. Check the crash log in PojavLauncher’s log viewer for the exact error line
Device RAMAllocate to Minecraft
2GB768MB – 1GB
3GB1GB – 1.5GB
4GB1.5GB – 2GB
6GB+2GB – 2.5GB

Never allocate more than 60% of your total device RAM. Your Android OS needs the rest to keep running.

How to change RAM in PojavLauncher:

Save and relaunch

Go to Settings

Tap “Java” or “JVM Arguments”

Find the RAM/memory slider or Xmx value

Set it to the recommended amount for your device

What to change:

  1. Inside Minecraft, go to Options, then Video Settings
  2. Set render distance to 6 chunks or lower
  3. Turn Graphics to Fast
  4. Disable Smooth Lighting
  5. Turn Clouds off
  6. Set Particles to Minimal

Mods are version-specific. A mod built for 1.20.1 will crash a 1.20.4 instance every single time.

How to isolate the problem:

  1. Navigate to your .minecraft/mods folder
  2. Move all mods to a temporary backup folder
  3. Launch the game if it works, a mod is the culprit
  4. Add mods back one at a time, relaunching after each
  5. When it crashes again, you’ve found the broken mod
  6. Check that mod’s page for a compatible updated version

Steps:

ErrorMost Likely CauseFix
Exit Code 1Wrong Java / bad modUpdate Java, remove mods
Black ScreenWrong rendererSwitch to GL4ES 1.1
Exit Code -805306369Memory overflowLower RAM allocation
Exit Code -1073741819Memory crashReduce render distance
SIGSEGV ErrorGPU / renderer conflictChange renderer
Startup CrashCorrupted filesClear cache, reinstall version
Out of Video MemoryGPU overloadedLower render distance + resolution
SettingRecommended Value
RendererGL4ES 1.1
Java VersionMatch your MC version
RAM Allocation60% of device RAM
Render Distance6 chunks
GraphicsFast
Smooth LightingOff
CloudsOff
ParticlesMinimal
ModsFabric + Sodium + Lithium
  • Updated PojavLauncher to the latest version
  • Java version matches Minecraft version
  • RAM set to 60% of device RAM or less
  • Renderer set to GL4ES 1.1
  • Render distance at 6 chunks or lower
  • All mods match the exact Minecraft version
  • No mixing of Fabric and Forge mods
  • Cache cleared
  • At least 1GB free storage available
  • Device restarted before launching
  • Always match Java version to Minecraft version
  • Start with GL4ES 1.1 on any new device
  • Test without mods first when diagnosing crashes
  • Keep PojavLauncher updated via GitHub

Avoid this:

  • Keep PojavLauncher updated via GitHubAllocating more than 70% of your RAM to Minecraft
  • Installing PC-focused shaders like SEUS or BSL on mobile
  • Downloading PojavLauncher APK from third-party sites
  • Mixing mod loaders in the same instance

Keep a backup of your working .minecraft folder before adding new mods

Always check the PojavLauncher GitHub issues page before updating sometimes a new release introduces bugs that are already documented

Usually a Java version mismatch or corrupted game files. Check your Java version first, then clear cache and try again.

Why is PojavLauncher not working on Android after an update? 

New updates occasionally introduce bugs. Check the GitHub releases page  if others report the same issue, roll back to the previous version temporarily.

How do I fix the PojavLauncher 1.21 crash fix specifically? 

Minecraft 1.21 requires Java 21. Make sure you have Java 21 selected in your profile settings and use the Fabric loader with Sodium installed for best stability.

Can low storage cause PojavLauncher to crash? 

Yes. Minecraft needs working space to generate chunks and write save data. Keep at least 1.5GB free at all times.

Is PojavLauncher safe to download?

If you’re still crashing after working through this guide, drop your device model, Android version, and the exact error code in the comments on pojav-launcher.org. The community there will help you pinpoint it.

The fix exists. You just need to find which one applies to your device.