4 ms·128 bit GUIDs give pairs of 256 bits -- too large to mount an efficient brute force.by Scaevolus 14y ago128 bit GUIDs give pairs of 256 bits -- too large to mount an efficient brute force.sp332 14y agoBut checking all known GUIDs might be more feasible.eli 14y agoWell, yeah, but where do you get a list of known GUIDs for InstallShield? Might as well just gather a list of all known Program Files directories.