> For the complete documentation index, see [llms.txt](https://docs.defguard.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.defguard.net/1.4/resources.md).

# Resources

- [Troubleshooting Guide](https://docs.defguard.net/1.4/resources/troubleshooting.md): Here are some common issues / problems that are frequently encountered.
- [Sending support information](https://docs.defguard.net/1.4/resources/troubleshooting/sending-support-info.md)
- [Client Windows installer exit codes](https://docs.defguard.net/1.4/resources/troubleshooting/windows-installer-exit-codes.md): Desktop Client windows installer exist codes list.
- [Client "All traffic" connection issues](https://docs.defguard.net/1.4/resources/troubleshooting/client-all-traffic-connection-issues.md)
- [WebAuthn security keys](https://docs.defguard.net/1.4/resources/troubleshooting/webauthn-security-keys.md)