Common Problems
This is because a mod (or library) was made with a newer version of Java than the one that the user is using.
- 50 refers to Java 6 (so the user is using Java 5 or older)
- 51 refers to Java 7 (so the user is using Java 6 or older)
- 52 refers to Java 8 (so the user is using Java 7 or older)
Tutorial
Launcher Features:
- Fancy Launcher
- Portable Mode
- Hidden Modpacks
- Deploying Server Modpacks
- Launcher Arguments
- Custom JAR (.jar mods)
- Custom Version Manifest
Customization:
- Localization
- News Page Guide
- Custom Microsoft OAuth application
- Using an IDE (Eclipse, IntelliJ)
Additional Reading:
Find the launcher useful?
Donate to obw, the current maintainer:
Donate to sk89q, the original maintainer:
