You have just encountered the Mac finder error 1712 when you were trying to open the finder application or any other folder. Finder application is just like the file explore where you can access all the files saved in the Mac drive. This is due to the corruption in the application which can happen if the system was accidentally shut down. If there is any malicious or large file is stored in the drive then you can face the Mac finder error 1712 while opening it. You can try to install the application. You should also clean the computer from unwanted files. But if in the process any of your important files are lost then you can use the time machine backup to get it back. in case the time machine does not work then you can use the Mac data recovery software when you have fixed Mac finder error 1712. The software will scan the Mac drive for the lost files and then you can choose the files you need from the preview. The software is pretty easy to use and effective too. You should download the software and use it now.