warningLauncher ErrorsAffects: All Forge versions
How to Fix Forge Installer Failure
Fix Forge Installer Failure by retrying the installation and adding antivirus exclusions.
Quick Fix
Run the installer again. If libraries fail to download, check your internet and try later.
Error Message
Forge installer: Error during installation / These libraries failed to downloadHow to Fix
1
Retry the installer (click Install again)
2
Add the installer to antivirus exclusions
3
If Maven repos are down, wait and retry later
4
Manually download failed libraries from Maven Central
Common Causes
- Internet connection issues during library download
- Maven repository temporarily unavailable
- Antivirus blocking installer
Diagnostic Steps
- Run the Forge installer
- If it fails, note which libraries failed
- Retry with antivirus disabled
- Wait and try again if Maven repos are down
FAQ
Where do I get the Forge installer?
From files.minecraftforge.net. Download the Installer (not the Universal or Client) for your version.