Update to V6.1.2 deleted all stored hosts and stored favourite folders.

I really like WinSCP since its very handy.
When upgrading to new version I've been asked whether I'd like to import stored connections from FileZilla. I answered no, since that's not wanted.
When starting WinSCP after the upgrade all previous stored connections were deleted.
This hasn't ever happened before.

The upgrade never deletes any sessions.
Are the sessions in registry? (and WinSCP fails to load them somehow) Or were they lost?
Or were/are you using INI file?
What version were you using before?