Tom Test

Hello, I've created a VeraCrypt container file and saved it on a shared network volume. By mounting the container I have access to all folders and files. After some minutes I can still see all folders and files but if I try to open a file I've lost obviously the access rights. I checked the preferences and can not find any settings to avoid this behavior. Also I've tried this with two different laptops with the same result. Any ideas??? Thanks...