incorrect parameter

[2126yoty]

I keep getting the message 'the parameter is incorrect' when trying to copy files. I have Windows 10 and version: FreeCommander XE 2015 Build 685a 64-bit donor

This happens even when trying to write to a completely new and empty folder.

Any ideas please?

[Dreamer]

You are using very old version, please try to install the latest version.