Note: Update within the app worked fine (confirmed fixed v5.6.2). Download from main site: https://rammichael.com/downloads/7tt_setup.exe ; Avira detected "TR/Crypt.XPACK.Gen (Cloud)".

I'm seeing exact same behavior.  Release date for this update was yesterday:

https://support.microsoft.com/en-ca/help/4489894/windows-10-update-kb4489894