[anotherkenlon]

File is able to read all the files in all the game directories.
No quotas of any sort in place. Not sure what you mean by "security protection against binary files".

Something I only just thought of - I've been using a script to kick off all four servers at the same time. Could that have something to do with this? I know that means they end up with the same temp directory, but in any sanely written program that shouldn't matter.