AIR install on Win 7 gets "1603" error

[2011-09-20:13:13:58] Runtime Installer begin with version 2.7.1.19610 on Windows Vista x86

[2011-09-20:13:13:58] Commandline is:

[2011-09-20:13:13:58] No installed runtime detected

[2011-09-20:13:14:01] Runtime Installer end with exit code 6

[2011-09-20:13:14:25] Runtime Installer begin with version 2.7.1.19610 on Windows Vista x86

[2011-09-20:13:14:25] Commandline is:

[2011-09-20:13:14:25] No installed runtime detected

[2011-09-20:13:14:28] Relaunching with elevation

[2011-09-20:13:14:28] Launching subprocess with commandline c:\users\ernie\appdata\local\temp\air1c5b.tmp\adobe air installer.exe -ei

[2011-09-20:13:14:34] Exiting due to error: [ErrorEvent type="error" bubbles=false cancelable=false eventPhase=2 text="1603" errorID=0]

[2011-09-20:13:14:35] Runtime Installer end with exit code 7

[2011-09-20:13:20:44] Runtime Installer begin with version 2.7.1.19610 on Windows Vista x86

[2011-09-20:13:20:44] Commandline is:

[2011-09-20:13:20:44] No installed runtime detected

[2011-09-20:13:20:51] Relaunching with elevation

[2011-09-20:13:20:51] Launching subprocess with commandline c:\users\ernie\appdata\local\temp\aire390.tmp\adobe air installer.exe -ei

[2011-09-20:13:20:57] Exiting due to error: [ErrorEvent type="error" bubbles=false cancelable=false eventPhase=2 text="1603" errorID=0]

[2011-09-20:13:21:05] Runtime Installer end with exit code 7

Detects Vista not Windows 7.   Doesn't seem to get to MSI.   I ran the MS "Fix it" and that didn't find anything.

Dennis