Problem with international characters

It seems that on the latest version we can't use ÆØÅ in file and folder names. It works in version 4.3.9(Build1817).

The application simply gives an error whenever an attempt to open a file or folder with these characters is made.

Please read FAQ:
https://winscp.net/eng/docs/faq_utf8

If that does not help, come back.