After extraction can’t open some illustrator files.

Hi, I use ADOBE Illustrator cs6. And I’ve mat a problem with opening files. A few days ago I’ve downloaded an 13gb archive with lots of pictures and image samples and so on. Today I’ve extracted it without any problem. And started to work with them, but some of them doesn’t open. I understand that the problem isn’t in my Illustrator but in archive or in these files. Tried to re-extract them… the...