Launcher Errors
Game launch failures, black screens, Java detection issues, and profile configuration problems.
24 errors in this category
How to Fix Minecraft Not Launching / Nothing Happens
Game output: Process exited with code 1 / Game crashed before starting
How to Fix Java Not Found by Launcher
Unable to find Java / No compatible Java installation found
How to Fix Black Screen on Launch
Minecraft shows black screen / window opens but nothing displays
How to Fix Exit Code 0 Crash
Game ended with exit code: 0
How to Fix Exit Code 1 Crash
Game ended with exit code: 1
How to Fix Exit Code -1 Crash
Game ended with exit code: -1
How to Fix Corrupted Launcher Profile
Unable to load profiles / launcher_profiles.json corrupted
How to Fix Asset Download Failed
Failed to download file / Could not download asset index
How to Fix Natives Extraction Failed
Failed to extract natives / Unable to extract native libraries
How to Fix MultiMC/Prism Instance Launch Error
Error: Instance X failed to start / Could not set up instance
How to Fix Microsoft Account Login Failed
Failed to login with Microsoft account / Authentication error
How to Fix Crash on Loading Screen
Game crashes during Mojang Studios loading screen
How to Fix Launcher Download Blocked by Antivirus
File download blocked / Threat detected in download
How to Fix High CPU Usage in Minecraft
Minecraft using 100% CPU / excessive CPU usage
How to Fix No Sound in Minecraft
No audio / sound effects not playing
How to Fix CurseForge/Modrinth Modpack Download Fail
Failed to download modpack / Some files could not be downloaded
How to Fix OpenGL Version Too Old
Minecraft requires OpenGL 4.4 or higher / GL version too low
How to Fix Minecraft on Apple Silicon (M1/M2/M3/M4)
Crash on Apple Silicon / LWJGL ARM error
How to Fix Minecraft on Steam Deck
Minecraft not launching on Steam Deck / Controller issues
How to Fix Forge Installer Failure
Forge installer: Error during installation / These libraries failed to download
How to Fix Java 21 Required for 1.21+
Minecraft 1.21 requires Java 21 or newer
How to Fix Audio Issues on Linux
No sound on Linux / ALSA/PulseAudio error with Minecraft
How to Fix Windows Defender Blocking Minecraft
Windows Defender blocked Minecraft / Java platform SE binary blocked
How to Fix Corrupted Assets Index
Failed to load asset index / Asset index corrupted