Thank you for helping me with the logs, Sounds like a "Hardening" issue, if that is what to be mentioned by VirtualBox Community.
Please read these and triage the situation based on your System Specs:
Diagnosing VirtualBox Hardening Issues
Hope this helps!
Is your question answered? If Yes, Feel free to mark the answer as "Accept as Solution".If you find this reply helpful, say thanks by clicking on the "thumbs-up" button.