Troubleshooting

Common issues and solutions when running portable packages.

Quick Reference

Problem	Solution
"FUSE not supported"	Install FUSE or use --appimage-extract-and-run
Missing fonts/emojis	Install font packages
User namespace errors	Enable kernel namespaces

Topics

• FUSE — filesystem in userspace, required for mounting image-based packages
• Fonts — missing characters, emojis, and symbols
• Namespaces — user namespace configuration for sandboxing