Secure Acess User Deleted

Good day All; I have buyed my first san disk Cruzer Blade it come with San Disk Secure Aceess powered by Yuuwaa everthing was going great but one day i saw my user name deleted but files was there in the vault. I’ll tried to crate another user with same user name with same password but nothing i ca’t open the files on my cruzer blade please can anyone help me… thnks

Your Secure Access is an old version.

Back up your data and try V2.0