> For the complete documentation index, see [llms.txt](https://docs.easy2patch.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.easy2patch.com/troubleshooting.md).

# Troubleshooting

- [Schema files not found!](https://docs.easy2patch.com/troubleshooting/schema-files-not-found.md)
- [Failed to sign package](https://docs.easy2patch.com/troubleshooting/failed-to-sign-package.md)
- [Fixing 500.19 web.config error](https://docs.easy2patch.com/troubleshooting/fixing-500.19-web.config-error.md): Scope: Easy2Patch 4.0
- [Securing Windows Server](https://docs.easy2patch.com/troubleshooting/securing-windows-server.md)