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It was quite strange that after the Macbook crashed one time, VirtualBox won't start up the Windows XP, claiming the following:

alt text

Is there a way to boot it up again? I renamed the VBoxGuestAdditions.iso to 000VBoxGuestAdditions.iso but it is still the same message when restarting VirtualBox.

I then went to the Virtual Media Manager and removed the VBoxGuestAdditions.iso mounting and then the error message changed to this:

alt text

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You need to change the UUID of the image. Whenever you change the name of, or copy a *.vdi file the UUID changes for that Virtual OS. You can accomplish this by using VBoxManage which is a Terminal utility.

Please refer to these instructions: VirtualBox: How to change the UUID of Virtual Disk (vdi)

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