I tried this https://royals.ms/forum/threads/making-mapleroyals-an-exception-in-windows-defender.103839/ and re-downloaded and installed it again, but the error still shows up every time I open the client. Playing on Windows 7 Pro, btw.
Are all your drivers up to date? Also check out this guide, perhaps you could try changing the compatibility? https://royals.ms/forum/threads/step-by-step-solutions-to-common-problems-guide.109019/
