any help would be much appreciated, already have it set to 860/672/160
1-Delete Clashfarmer folder
2-Download new Clashfarmer version compatible with MEmu v3+
CLICK TO DOWNLOAD
3-Open Multi MEmu and delete the instances and create new one
4-Open Clashfarmer and hit start
Deleted menu and clashfarmer, reinstalled and all is good. Thanks for the advice