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Hello!
I have been received the following error in the last few days on my Ubuntu 19.10 Host (attached image). I've also attached the logs if they are relevant somehow. Using VirtualBox 6.1 and VirtualBox Extension Pack 6.1.6r137129. What could be the cause of this issue? It seemed to happen whenever I wanted to copy something from the host to the guest.
Thank you!

You are having a hardening error of ExitCode=0xc0000005, see Diagnosing VirtualBox Hardening Issues. The hardening log does not to my eyes show what the impeding dll is, but the crash report in the vbox.log shows a fault in 'igdumdim64.dll' which appears to be part of the host graphics driver. You are using 3D acceleration, which ties into the host graphics drivers. Try the headless-start test (detachable will work too, and will still allow you a guest GUI to shut down with..)