Also, this is what I'm getting when I try the msiexec command: Code: $ wine msiexec /i XLiveRedist01.02.0241.00.msi fixme:sfc:SfcIsKeyProtected ((nil), (null)) stub fixme:advapi:RegisterEventSourceA ((null),"MsiInstaller"): stub fixme:advapi:RegisterEventSourceW (L"",L"MsiInstaller"): stub fixme:advapi:ReportEventA (0xcafe4242,0x0001,0x0000,0x000003f5,(nil),0x0006,0x00000000,0x32cf20,(nil)): stub fixme:advapi:ReportEventW (0xcafe4242,0x0001,0x0000,0x000003f5,(nil),0x0006,0x00000000,0x1338b8,(nil)): stub err:eventlog:ReportEventW L"=====================================================\r\nException code: C0000005 ACCESS_VIOLATION\r\nFunction: 0x0\r\n=====================================================\r\n\r\nRegisters:\r\nEAX:00000000 EBX:004BEF2D ECX:0032CF5C EDX:00000031 ESI:0032D0E4 EDI:00000000\r\nCS:EIP:0073:00000000 "... err:eventlog:ReportEventW L"" err:eventlog:ReportEventW L"" err:eventlog:ReportEventW L"" err:eventlog:ReportEventW L"" err:eventlog:ReportEventW L"" fixme:advapi:DeregisterEventSource (0xcafe4242) stub Anyone have any ideas?