You are trying to save the recovered data on the same media from where you are recovering it. Please choose another location to save the files and software will not give you this error anymore.
Software does not allow you to save the recovered files on the same drive from where you are recovering it as it may lead to overwritten activity. Once overwritten activity is performed then data cannot be recovered by any means.
Stellar Data Recovery Stellar Data Recovery is an easy to use Windows recovery software to get back lost documents, emails, photos, videos & many more from HDD, USB, Memory Card etc.