I already copy this file from older version, but it work only on my computer.
When I send my script to someone else, I will also must explain how to copy file, and where in it put his key. And that will be problematic.
I see that program in version 5.10 remembers the key, but now in some over place, not in RuCaptcha.dll.config.
Maybe now is much more easier way to read this key?