id summary reporter owner description type status component version resolution keywords cc guest host 6072 Windows 7 installation of VirtualBox 3.1.2 failed ERROR:1603 normans "I've tried to install VirtualBox-3.1.2-56127-Win.exe on my Windows 7 machine and it fails. My UAC is set to Never Notify. Versions 3.1.0-55467 and 3.0.12-54655 failed similarly. This is a fairly clean Windows 7 setup and VirtualBox has never been previously installed. Installation of MSI failed! ERROR: 1603 Problem signature: Problem Event Name: APPCRASH Application Name: MsiExec.exe Application Version: 5.0.7600.16385 Application Timestamp: 4a5bc7bd Fault Module Name: ntdll.dll Fault Module Version: 6.1.7600.16385 Fault Module Timestamp: 4a5be02b Exception Code: c0000005 Exception Offset: 000000000004d174 OS Version: 6.1.7600.2.0.0.256.48 Locale ID: 1033 Additional Information 1: 00a9 Additional Information 2: 00a91ddf470597e736b0a63abc8d3305 Additional Information 3: 9e18 Additional Information 4: 9e18fb3cc353b4f840119bc4f3a9a73c" defect closed installer VirtualBox 3.1.2 fixed 1603 other Windows