@Paws007: I have removed the email address from your post in accordance with data protection, and the terms and conditions of the Samsung Community. Regarding your Secure Folder issue, please try heading to Settings > Biometrics and Security > Secure Folder > Show Icon On Apps Screen > On. With this option enabled, you should be able to access the Secure Folder via the Apps Drawer by swiping up from your Home Screen. It can also be access by following the steps provided by @James_D89
For further information on how to use the Secure Folder, please follow the link below.