Also Far-NetBox seems to be a good up-to-date alternative (based on WinSCP plugin):
https://github.com/michaellukashov/Far-NetBox
https://github.com/michaellukashov/Far-NetBox
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
AFAIK, there's no way to load x32 DLLs into x64 process.
Windows 7 SP1, 64bit
FAR Manager 2.0 build 1807 x64
winscpfar162setup.exe
[HKCU\software\far2\PluginsCache\C:/Program Files/Far2.0/Plugins/WinSCP/WinSCP.dll]