CobianSoft

About closing the programs: this shouldn't be needed if using Volume Shadow.

Cambia los permisos a la carpeta de destino dandole permiso de escritura a tu usuario.

No problem.

En las propiedades del fichero (p las carpetas) veras los permisos.

If you start the interface: do you see the process in the task manager? (Cobian Reflector User Interface)

Que permisos tienen los ficheros? Que usuario está ejecutando el servicio?

Copias completas a conservar: 4

I don't really know how Dropbox works but if it works like OneDrive or Google Folder, then the files are only online and what you see in the file system is a placeholder (which you can make offline if you want).

Hmm... Options-Log-Mail as attachment