C4D Doesn't run anymore after D5 Converter Install

After installing d5 converter for Cinema4D R21, the program(C4D) doesn’t launch anymore.
If i uninstall the converter, Cinema 4D back to work normaly.
What can i do ?
Thanks in advance

Hi Lorenzo, sorry for the late reply. It seems your topic was missed at the time when we were migrating forum data between servers. To confirm, have you updated the D5 Converter for C4D? We should have fixed the issue you encountered, and if the problem remains, please let me know.