Hi,serhatcanpolat96 Thanks for your feedback. Could you please provide the files you utilized? Also, if this problem keeps happening, please provide the files from the following path. - C:\Users\XXX\AppData\Local\Reallusion\ActorCore AccuRIG\fbxToObjTemp If import an OBJ, will it get stuck in the same way? And then please provide the file to help us identify the problem. Attach the file in your next comment. If the file size is larger than 10MB, you can use cloud services such as Google Drive, Dropbox or OneDrive to make the files available to us and put the link in your comment. You can use Private Comment if you want to keep it private. Best Reguard Howard