There are reported cases where VirtualBox can cause your network config in the VM to become invalid and throw the error message Failed to open/create the internal ...

Maaan, and I didn't even change anything. Just rebooted. Both guests are on the same host. Host is wired to the router. Both guests are set to bridged. Both show up on my router with the correct IP ...

The Shared Folders section of the guest Settings window. How to share folders between VirtualBox guest and host Your email has been sent https://assets.techrepublic ...