id summary reporter owner description type status component version resolution keywords cc guest host 1348 Guest will not start: Assertion Failed Bill "I get this error whether starting or clicking on settings. The directory mentioned does not exist. This is version 1.56 on Gentoo x86_64 w/2.6.24 kernel. The vdi image was used in Kubuntu 7.10 32bit, so I tried cloning also but received the same result. Thanks! Assertion failed: [mIPCSem >= 0] at '/home2/vbox/vbox/1.5-lnx64-rel/src/VBox/Main/MachineImpl.cpp' (8058) in nsresult SessionMachine::init(Machine*). Cannot create IPC semaphore, errno=38. Please contact the product vendor!. Result Code: 0x80004005 " defect closed other VirtualBox 1.5.6 fixed Assertion Failed other other