I have the same problem 1.Install CoinOPS 4 Lite 2.Copy roms CoinOPS 3 in 4 Lite Result: Every time I click on a game the screen goes black and Then it just loads the rom selection menu again. another test 1.Install CoinOPS 4 R3 2.Copy roms CoinOPS 3 in 4 R3 Result: Every time I click on a game the screen goes black and Then it just loads the rom selection menu again. how I can fix the error? is by blockade? Thanks sorry for my English XD