ESC key doesn't work Master Crafters ORPG 2.7

i have the same problem as i  saw somebody on the forum has it too.
On my PC it's ok it's  working, but when i play in LAN with my girlfrind, on her notebook ESC doesn't work so she can't improve her stats. PLZ help.
She is running on VIsta.
If you don't have any time too fix this or you don't have any clue why. give me at least some advices what should i try to fix it