id summary reporter owner description type status component version resolution keywords cc guest host 2204 Realplayer 10.5 or 11 will crash the entire VirtualBox. Bill Spurlock I have VirtualBox 2.0, installed in Ubuntu 8.04 as a host. Windows XP Pro in installed as a guest. Installed Realplayer 10.5 in the guest. Playing a Realplayer *.RAX file will cause the VirtualBox to crash. It doesn't seem to matter if the file in on the host or guest. As a test uninstalled RealPlayer 10.5 and installed Realplayer 11. Same result. defect closed VMM VirtualBox 2.0.0 fixed Windows Linux