id summary reporter owner description type status component version resolution keywords cc guest host 3239 Guest hangs booting DOS 7.1/Win 3.11 when VT-x is enabled w3seek I'm trying to boot a DOS 7.11 / Win 3.11 guest with VT-x enabled, but it hangs during early boot with the VirtualBox.exe using up all CPU resources (looks like an infinite loop). It works fine when VT-x is disabled, though. defect closed VMM/HWACCM VirtualBox 2.1.2 fixed Windows Windows