i having troubles with my school ajor assignment can anyone help??

Earlier while i was working on my assignment for my major project i went to sva emy assembly and when i did so it came up with a dialogue box saying it was corrupted and then it promted me to save as another name. when i went to save it as a different name the new file would also be corrupted, is there anyway to restore a corrupted file.

below is what happens when I try to open the corrupt file,