Finder application on Mac is used for exploring other installed application and the contents of the Mac system. Relaunch finder 10810 is needed when the finder application stops responding, the error 10810 occurs when you try to move any file from one drive to another using the finder application, the drive can be external. The reason why relaunch finder 10810 is required is may be the file you are trying to transfer is corrupted or the drive to which the file is transferred is not responding or it is corrupted too. If the drive is corrupted then you can fix it by using the disk utility but if the corruption is not fixed then you have to format the drive. After formatting the content of the drive will be lost but you can recover them by using the time machine backup. If the backup does not work then you can use the Mac data recovery software. The software scans the Mac drive and then the software will show the preview from where the files can be restored. Now you no longer have to search for relaunch finder 10810 error as it has been solved and also the lost files are restored.