I have the same issue on Windows 11 but I don't have Comodo FW or any other 3rd party Antivirus...
Can someone help please I'm having troubles with this
Host-only adapter disappeared over night
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- Primary OS: MS Windows 10
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- Guest OSses: Mostly XP
Re: Host-only adapter disappeared over night
This is usually Windows update getting involved. Uninstall and then reinstall VirtualBox.