The Old New Thing

On the alert for expired food-handling licenses

Since the lines at warehouse-style stores are always ridiculously long, I like to pass the time by checking out the legally required postings of food-handling and related licenses. Usually, two or three of their licenses have expired. It could be their seafood license, or their raw meat license, or their bakery license, it's always a surprise ...

Why doesn't Windows File Protection use ACLs to protect files?

Windows File Protection works by replacing files after they have been overwritten. Why didn't Windows just apply ACLs to deny write permission to the files? We tried that. It didn't work. Programs expect to be able to overwrite the files. A program's setup would run and it decided that it needed to "update" some system file and attempt to ...