Many Mac users have suffered because of Snow Leopard bug which can cause different types of inconsistency in the Mac system. Even though the Mac OS X is the most advance operating system some of the users have reported that even if they save the files manually it does not get saved and after the application is closed the file is lost. The Snow Leopard bug was tried to fix by a patch from its developer but still some of the users are facing the problem. You can try to upgrade the operating system to any of the latest version but it is an hectic process and there are chances the you can lose some of the data from the Mac drive. You can get back the lost files from the time machine backup. When the time machine fails then you have to use the Mac data recovery software which is able to recover any unsaved file or deleted one after you have fixed Snow Leopard Bug. The software is designed by professional for easy usability and great effectiveness. The software can be used by any of the non professional, so you should download the software and use it now.