Are You fed up of Not responding leopard ? You were working on an important file on Mac which is running Mac OS X Leopard and suddenly it stops responding. If it hangs too often then loss of data can be unimaginable. This may happen if the application on which you were working is corrupted, system files if the Mac OS X is damaged, the hard drive is infected with some malicious program like virus or trojan. You have to fix Not responding leopard issue if you want to work on your system properly. You can Use the disk utility to detect any problem in the drives of the Mac and will try to fix it. But it may fail then it that case you have to format the drive and reinstall the Leopard operating system again. This may fix the Not responding leopard problem but if the the data is lost because of hanging or reinstallation then you can use Time machine backup utility. Sometimes it fails to provide complete restoration then you are free to use the Mac data Recovery software. This is quite a potent software which scans the Mac drive and recover all your data when you have fixed Not responding leopard.