I decided to install royals on my old laptop since I cant run multiple clients on my win8. The problem thought is everytime I try and start the game I get the Parameter error. The laptop is win7 (6.1.7601 Service Pack 1 Build 7601) HD Graphics 3000 4GB RAM Screen is 1280x800, if it matters. Tried changing resolution but didnt change anything. I've tried all the compatibilities and running as Admin. I've tried reinstalling and also copypasting the files from my working computer to this one. But nothing works :/ EDIT: Tried closing all programs and running after, doesnt work.
Changing compatibility should solve the problem. Are you sure you tried running it in windows 98/windows ME? Can you upload a screenshot of your mapleroyals folder?
I've tried multiple times, also checked the box about scaling high DPI to see if it changed but nothing. Have tried checking the other boxes and still doest work.