Regis Mizikar

I set up keepass data base using both a master password and key file. The key file is stored at location other than the program and database. The data base and program are store on a portable hard drive. At this location I can access the data ( passwords)with no issues. I want to move the data base and program to drop box. When I copied the program to the drop box, I get an error message:>>>> Failed to load the specified file>>. The composite key is invalided. What is correct process for moving the...