We understand that encountering technical issues can be frustrating. I hope the suggestions shared by Monika and Ton helped resolve the problem. If not, kindly check if the install language for Illustrator is set to English, and if not, kindly try removing and reinstalling Illustrator after changing the language in the Creative Cloud desktop app (https://helpx.adobe.com/creative-cloud/help/change-install-language.html) and checking if it helps.