Hello Theklion,
please contact us at support@boxcryptor.com by submitting a debug log while reproducing the issue.
Refer to the post here, so we know you're referring to the issue here.
https://www.boxcryptor.com/en/help/faq-and-troubleshooting/windows/#how-to-create-a-debug-log
Thanks in advance!
Best regards,
Yasmin