Hello, enigmas, you wrote: E> Hello, KaBoom, you wrote: KB>> Hello, enigmas, you wrote: E>>> Relocation Directory. Means exe without this directory. KB>> I do not catch communication. And if this directory is - TLS callback it is impossible to fasten unless? Like it is possible... KB>> or meant, what absence Relocation directory - a sign of the packed file? E> if there is a directory at adding tls callback manually, it is necessary to add still the reference to its address in (and there the nuances full). That at loading of an image not on imagebase the loader tls callback address and the correct code have been caused. He as though says that without is easier, it is not necessary to add anything in them that it makes sense. And to add, if is not present, the loader should load an image on imagebase and in any way differently.