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After updated Virtualbox from v6 to v7 on Window 10 - I installed extension pack for v7 and then reinstalled guest additions for the guest. The guest is Debian with kernel 4.9. I have also installed the headers for the kernel.

However - the resolution do not change when I resize the window. I saw that no vboxdrv exists and when I try to see the modules loaded - I get this:

$> lsmod | grep vbox
vboxguest             256962  2

Any idea what could be wrong?

pesho hristov
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  • SO is a programming Q&A platform and this question is not about programming. Questions about operating systems, their utilities, networking and hardware, are off topic here. [What topics can I ask about here?](https://stackoverflow.com/help/on-topic). Please delete this and ask, instead, on https://superuser.com/ – Rob Feb 11 '23 at 08:22
  • I know it's not a programming Q&A 100%, but I also saw other questions for Virtualbox and other related virtualization stuff, so I thought it won't be a problem to post the question here! – pesho hristov Feb 13 '23 at 15:07

1 Answers1

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I decided to go with the variant to create a new VM and scp everything from the "broken" one. So I created the same VM - AntiX - and installed guest additions - and all worked as expected - I was able to change screen resolution.

However, I noticed that the kernel on the new VM is 5.10, while on the "broken" one was 4.9. So - I upgraded the kernel of the broken one - and voila! - I got the guest additions to work again :)

pesho hristov
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