criticalMod ErrorsAffects: All Forge versions
How to Fix Forge Crash on Startup
Fix Forge Crash on Startup by checking crash reports, installing dependencies, and resolving mod version conflicts.
Quick Fix
Read the crash report in crash-reports/ to identify the failing mod. Remove it or install its dependencies.
Error Message
Forge Mod Loader has found a problem with your minecraft installationHow to Fix
1
Check the crash report for the specific mod causing the failure
2
Install all required dependencies listed in the error
3
Ensure all mods target the same Forge and Minecraft version
4
Remove recently added mods and add them back one at a time
5
Update Forge to the latest version for your Minecraft version
Common Causes
- Incompatible mod versions
- Missing dependency mods
- Forge version mismatch
- Corrupted mod jar files
Diagnostic Steps
- Open the latest crash report
- Find the mod listed as the cause
- Check its requirements on CurseForge
- Install missing deps or remove incompatible mods
- Restart
FAQ
How do I find which mod is crashing?
The crash report lists the problematic mod under 'Suspected Mods' or in the stack trace. Look for mod names in package paths.