Hello @YEK-Kayra ,Please, verify that you have installed latest X-MCSDK version package from st.com.To change the operating system language and/or regional settings, you must refer to the specific instructions for your operating system version.

Hi @ENGIN TANRIKULU ,Please provide more information about your installation to help us to replicate the issue:* CubeMx versions installed* CubeMx installed for "user" or for "all users" (system installation)* CubeMx installation folder was manually ...