I'm working on a system to back saves up now, if you can get me a corrupted save file I can use to test it with, that would be helpful, I'm not exactly sure how the saves you're getting are being corrupted because the file opens and closes within a fraction of a second
edit: nevermind, someone gave me some test files, and the new system should cover all corruption types
it will be active in the V0.7.1.0.8 patch whenever that is (testing on pat/sub first)