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Knowledge Base Categories
Select a category to browse full guides.
Crashes & Error Codes
Exit Code 1, -1073740791, unexpected crash resolutions.
Graphics & Drivers
GLFW Error 65542, OpenGL support, switching to dedicated GPU.
Java & Memory (RAM)
OutOfMemoryError, -Xmx heap allocation and Java 21 setup.
Mods (Fabric / Forge)
Mixin conflicts, incompatible mod versions and shaders.
Multiplayer
Auth errors, "Invalid session" and server timeouts.
Most Common Technical Issues
All Guides →How to Fix Exit Code 1 in Minecraft Forge and Fabric
Automated Java runtime update and conflicting mod isolation.
Exit Code -1073740791 (0xC0000409 STATUS_STACK_BUFFER_OVERRUN)
NVIDIA GPU driver crash: step-by-step clean reinstallation.
GLFW Error 65542: WGL Driver does not appear to support OpenGL
Fix for dual-GPU laptops with integrated Intel and dedicated GPU.
java.lang.OutOfMemoryError: Java heap space
Proper RAM allocation (-Xmx) configuration guide.