In spite of all the reliability and security provided by Mac, occasionally some error might appear in it raising some serious concerns. One such incident arises in Mac OS X 10.4.2 when there is Mac OS X 10.4.2 could not validate source error come across while restoring volume or transferring data into external media. In consequence of that you can't able in doing so which is why you must overcome from this problem. There might be some probable factors including OS failure, ISO damaged and so on. The good news is you can resolve Mac OS X 10.4.2 could not validate source error. To do that you should try disk repairing option of disk utility which can be beneficial for resolving the issue. But if the problem still occur then it is good to format the hard drive reinstall OS X properly. However do remember in backing up the data otherwise there might be dire data loss appear after Mac OS X 10.4.2 could not validate source error has resolved. Thankfully Mac Data Recovery Software ensures complete and efficient recovery of data regardless of how file has been disappeared or lost. So consider this proficient tool for hassle free recovery.