Adobe retired many of its older activation servers years ago. Even with a legitimate serial number, the software may fail to "phone home" and verify, leading to a trial expiration.
Trying to revive it with a cracked serial is like trying to jump-start a car from a junkyard: even if you get it running, it is unsafe, lacks modern safety features, and is likely to break down at the worst possible moment. dreamweaver cs5 5 serial number high quality