id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 8083,"Virtualbox-4.0.0-69151-OSX.dmg fails to install, but installs anyway?",Penelope Fudd,,"This MacOSX Snowleopard 10.6.6 (just updated) system had VirtualBox-3.2.4-62467-OSX.dmg installed, and today I attempted to upgrade to VB 4.0.0-69151. Downloaded the dmg, opened it, double-clicked on VirtualBox.mpkg, clicked next,next,next until it got to the last step (Summary), where it said: ------ There were errors with the installation. You may want to try installing again. The installation failed. The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. ------ In /var/log/system.log, I found this: Jan 14 10:17:51 shechinah VirtualBoxVM[364]: VirtualBoxVM(364,0x111901000) malloc: *** error for object 0x10380ce08: incorrect checksum for freed object - object was probably modified after being freed.\n*** set a breakpoint in malloc_error_break to debug Jan 14 10:17:55 shechinah ReportCrash[367]: Saved crash report for VirtualBoxVM[364] version 3.2.4 (3.2.4) to /Library/Logs/DiagnosticReports/VirtualBoxVM_2011-01-14-101755_shechinah.crash I've attached the crash report. However, when I started VB to report what version I was upgrading from, it claimed 4.0.0! This successful ""failure"" is not the way things are supposed to work; it makes the product look bad.",defect,closed,installer,VirtualBox 4.0.0,obsolete,failed,,Linux,Mac OS X