i want to record my virtual machine, but VirtualBox don't create a output.
I installed the guest addition CD and the VirtualBox Extension Pack for version 5.2.18.
I try to record while running the vm and from beginn. I create a file with touch test.webm and start recording again.
I changed the path to a other hdd...
VirtualBox dont popup any errors.
I don't have a other idea.

Host System: Ubuntu 64 Bit - 18.10
Guest System: Ubuntu 64 Bit - 18.04
Do you have a idea?
Thanks for helping
