Yesterday I downloaded Wondershare Video Converter and after the first conversion failed the Mac started to restart on its own and did it automatically every 15 seconds. I did manage to uninstall the program but it made no difference. I then tried to start it in Safe Mode but it kept shutting down after 10 seconds before it finished loading. I was able to "Boot Into Single User Mode" which checked the HDD but I got the message "Hard Drive could not be repaired." If the HDD is knackered can I still recover my files somehow? Could Wondershare be responsible or is it just a coincidence? What can I do please? I'm using a Win PC right now.