If you are upgrading from SecureBlackbox 6.x, 5.x, 4.x or even 3.x, it's a must to read Release Notes for version 7.0. It contains the list of breaking changes made between version 6.x and 7.0.
In version 7.1 we have moved supplementary folders (Certificates, SSHKeys, PGPKeys) to <SecureBlackbox>\Extra subfolder.
The interface of SecureBlackbox PKCS#11 proxy driver has been extended. Remember to update SecureBlackbox_PKCS11Proxy.dll file shipped with your product with the one installed with SecureBlackbox 7.1 In version 7.1 SecureBlackbox_PKCS11Proxy.dll has been moved to <SecureBlackbox>\Extra\PKCS11ProxyDLL folder.