Confusing, but fixable.
You must manually delete the Security configuration section in your Windows Registry or configuration file.
You can activate this protective layer globally inside your system application configurations. Follow these steps to secure your connection profiles: Launch your client application window.
I understand. You’ve likely forgotten it, or you’re trying to recover a saved session, and you’re realizing that WinSCP’s security is doing exactly what it’s designed to do: keep people out.