google returns quick results for "virtualbox 64-bit", among them the virtualbox homepage
+--[ http://www.virtualbox.org ] | | New Dec 17, 2008 | VirtualBox 2.1.0 released! | Sun today released VirtualBox 2.1.0, a major update with exciting new features: | among them better 64-bit support, [...] | +-- So, I guess this is a known issue. Your best bet is probably to try to upgrade to 2.x which is in Jaunty if you feel comfortable with a pre- release distribution. Maybe a separate installation on some partition? Be prepared, though that virtualbox itself has IMHO become a little more difficult to use, you have to install some extra packages to compile a module. -- VirtualBox crashes while installing Ubuntu Hardy https://bugs.launchpad.net/bugs/242138 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs