[SOLVED] how to install Guestaddition

Hi all,

VirtualBox V7.0
Host Ubuntu 22.04
Guests Ubuntu 22.04/Windows 10/Windows 11/Linuxmint etc.

I haven't run it for quite long time. All VMs are unable to start. Finally I have to reinstall VirtualBox on repo (previously it was installed on the package download on Oracle VirtualBox website).

Please advise how to install GuestAddition? Thanks

Regards