downloaded & upgraded, now can't connect..

I upgraded my old version of WinSCP, now I cannot connect... any help would be appreciated. I'm new to this, so be patient. :-)

Sorry, your post does not include enough information.

Please read how to troubleshoot problems with WinSCP. If it turns out that you are not able to help yourself, read how to ask for support or report bugs efficiently, so others can help you.