Does anyone know offhand how to remove the guest additions for VirtualBox 3.1 in Ubuntu 9.10? These are the additions that provide mouse integration and X drivers for automatic window resizing.

If you cannot open the guest session and get a VERR_NOT_FOUND VirtualBox error, follow the tips, solutions, and workarounds mentioned below. Check if “VBoxGuestAdditions.iso”n exists Insert Guest ...

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If you are trying to boot a guest operating system, but VirtualBox displays a black screen without any text or mouse cursor, here are a couple of solutions you can try. VirtualBox requires a specific ...