You need to restart the launcher to apply the changes
launchercpp.supporttool_safemode_txt
Launches the gameapplication with a temporary Userfolder. Use this mode for diagnostic purposes if you encounter any issues. If your gameit runs normally in Safe Mode, one of the installed mods may be the cause of the issue. WARNING: Changes made while in Safe Mode will not be saved after the game closesexiting
Launches the application with a temporary Userfolder. Use this mode for diagnostic purposes if you encounter any issues. If it runs normally in Safe Mode, one of the installed mods may be the cause of the issue. WARNING: Changes made while in Safe Mode will not be saved after the exiting