id summary reporter owner description type status component version resolution keywords cc guest host 3810 Crash in pgmPoolTrackFreeUser - pgmPoolTrackFreeUser( Jeff "Version: 2.2.0 r45846 Host: Solaris 10 X86/64 5/08 Guest: Windows XP SP3 It's crashing nightly with an assertion failure: !!Assertion Failed!! Expression: Location : /export/home/vbox/tinderclient/sol-rel/src/VBox/VMM/VMMAll/PGMAllPool.cpp(2345) void pgmPoolTrackFreeUser(PGMPOOL*, PGMPOOLPAGE*, uint16_t, uint32_t) Didn't find the user entry! iUser=0x1ef iUserTable=0x1c6 GCPhys=0000000036d0e000 The screen capture doesn't show anything wrong, just Outlook running. The !VirtualBox manager doesn't crash, but the VM is frozen, and a crash pop-up is displayed. Then when dismissing the pop-up, the VM window closes. It can be restarted by selecting ""Start"" in the Vbox manager. A log file is attached. " defect closed other VirtualBox 2.2.0 fixed other other