Core FTP

I've been using the latest version of CoreFTP and after about a couple of weeks, I will select a site to connect to and when I try to "drill down" in the directory structure on the selected site, I begin to get this error "Unspecified Error" and, when I clear it off, files start ...

I have several servicepersons with laptops. I have installed the free CoreFTP version on each one of them. Which files are necessary to copy in order to avoid going to each computer and re-entering every FTP site that they may need to contact? Is this possible? EDIT: Disregard this post please. Seni...