Beginner
How to Read a Crash Log
Learn what parts of a crash log actually matter and what can usually be ignored.
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FixMyGame Guides
Crash log help formodded PC games.
Beginner-friendly guides for crash logs, missing dependencies, mod conflicts, loader errors, corrupted game files, and safer troubleshooting before you start deleting mods.
Start Here
Basic FixMyGame and crash-log help before you start changing files.
Crash Fix Library
Specific crash messages and common modded-game errors.
Minecraft
Minecraft JEI ClassNotFoundException Fix
Fix crashes mentioning mezz.jei.api.runtime.IJeiRuntime or missing JEI classes.
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Minecraft
Minecraft Java 17 UnsupportedClassVersionError Fix
Fix Minecraft crashes caused by running the wrong Java version for your modpack.
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Minecraft
Minecraft Fabric API Missing Dependency Fix
What to do when a Fabric mod needs Fabric API before it can load.
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Stardew Valley
Stardew Valley SMAPI Empty Folder Fix
Clean up SMAPI skipped-mod warnings caused by empty or invalid mod folders.
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Lethal Company
Lethal Company BepInEx LogOutput Fix
Find the right BepInEx log and understand missing dependency issues.
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FixMyGame Help
General troubleshooting concepts FixMyGame uses when reading logs.
Mods
Missing Dependencies
What it means when a mod needs another mod installed before it can work.
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Troubleshooting
Mod Conflicts
How two mods can break each other and why removing one is sometimes the fix.
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FixMyGame
Safe Repair Preview
What FixMyGame can safely help with and why backups matter before changes.
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Game Files
Verify or Reinstall Game Files
Know when the issue is probably game files instead of your mods.
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Start here
Not sure which guide you need?
If your game crashed, recreate the issue first, then open the newest crash or error log created after the problem happened. Old logs can look healthy even when the newest session is broken.
1
Recreate the crash or issue.
2
Find the newest log file.
3
Run it through FixMyGame.