What I find strange is your desire of deleting the file that you're using ;-)

FWIW I can't reproduce the behavior using the latest version. Could you post an example?

@emmanueljordan : i was waiting for this kind of remark :D Well the reason because i *have to delete my file is that i'm working with encrypted files (encrypted and decrypted via a java function). In order to load my crypted file, i need to decrypt it, load it in a poly~ and then delete it... I'll join a little exemple, which should be straightforward - simply a cycle~ inside a poly -. Here, on the latest version of Max6, if I delete the child patch, sound stops. On the other hand, on Max 5, parent patch keep on playing, even if i delete the child file. thx! i