I've problems with Mame.
I installed MameCE v8.1 and some roms.
If I start for example 1942 I'll get an error message.

Usage of emulators in conjunction with Roms you don't ...
If you are not legally entitled to play 1942 on this emulator, press ESC.
Otherwise, type OK to continue.

I tryed all button - nothing happend.

Please, help me !!!