This happened when I accidently activated mixed mode for an extremely large folder and the clicked cancel while the subfolders have been read. After that, Dopus started to browse and perform stuff and was unresponsive for minutes. I just left the process and was hoping the he become responsive again. Instead, I got the following crash after some minutes have passed:
Regarding the call-stack, it seems it's probably something in the dopus code this time. I don't have any symbol information, so I posted the mini-dump to you guys by mail.