# Troubleshooting

- [Schema files not found!](/troubleshooting/schema-files-not-found.md)
- [Failed to sign package](/troubleshooting/failed-to-sign-package.md)
- [Fixing 500.19 web.config error](/troubleshooting/fixing-500.19-web.config-error.md): Scope: Easy2Patch 4.0
- [Securing Windows Server](/troubleshooting/securing-windows-server.md)