Hello there there are few things you can try first of all go to game folder then WTF folder locate config file open it and change
SET gxRefresh to 60. Game doesnt like more also next step is download new exe and launcher from discord https://cdn.discordapp.com/attachments/453194771960168448 ...

Hi there solution for this is app that allows 32bit apps to use more than 2gb Ram.

https://www.techpowerup.com/forums/thre ... re.112556/

Download from here and add Wow mania exe and tick then apply.
Hope it helps