It works ok with zip, but no matter what it doesn't list 7z roms.
I am using windows xp64, groovymame 0.160 and latest advmenu plus but maybe I am missing some dll or something for 7z support. I think the rc and the paths are correct. Under groovymame without advmenu works ok and under mamewah too. I created a clean new mame.ini.
Any clue?
Thanks