Virtualbox 6.1.50 doesn´t open VM's under Zorin 17.3 Core

[zenzen]

@areinink

Could the upgrade from Zorin 17.2 to 17.3 be the reason?

Yes, that seems quite possible. Take a look at this thread:

[HOW TO] Update To VirtualBox 7.x

In light of the many issues reported with Virtual Box 6.x, caused by an incompatible kernel module1 introduced with recent updates, it may be best to upgrade to a newer version of Virtual Box which seems to solve 2 these issues; some of them anyway. Zorin OS 17 does not have offer Virtual Box at version 7.x, unfortunately. It needs to be installed manually, following either one of these methods: Download and install precompiled binary file from Oracle. This is likely the easier choice for pe…