Update all my Blends

Is there a way to quickly open a bunch of blends without Load UI and save that over them? I’m on XP.
I want to do this because my old blends have a bad interface setup, and I’d like to change them to my current one, without opening each one individually. I tried selecting a bunch of files while opening (from within Blender), but it didn’t work.

I don’t know how to do this, but why do you need it? It’s so annoying to disable the Load UI button when opening file? Do you use old files all time?