My air install fails and here is the short text from the install log:
[2015-12-30:18:36:07] Runtime Installer begin with version 20.0.0.233 on Windows 10 x86
[2015-12-30:18:36:07] Commandline is:
[2015-12-30:18:36:07] No installed runtime detected
[2015-12-30:18:36:11] Runtime Installer end with exit code 6
[2015-12-30:18:36:26] Runtime Installer begin with version 20.0.0.233 on Windows 10 x86
[2015-12-30:18:36:26] Commandline is:
[2015-12-30:18:36:26] No installed runtime detected
[2015-12-30:18:36:29] Relaunching with elevation
[2015-12-30:18:36:29] Launching subprocess with commandline c:\users\barry\appdata\local\temp\air9e14.tmp\adobe air installer.exe -ei
[2015-12-30:18:36:30] Runtime Installer begin with version 20.0.0.233 on Windows 10 x86
[2015-12-30:18:36:30] Commandline is: -stdio \\.\pipe\AIR_6216_0 -ei
[2015-12-30:18:36:30] No installed runtime detected
[2015-12-30:18:36:30] Starting silent runtime install. Installing runtime version 20.0.0.233
[2015-12-30:18:36:30] Installing msi at c:\users\barry\appdata\local\temp\air9e14.tmp\setup.msi with guid {78DFDC88-FA40-408F-8397-1D7908A6DA21}
[2015-12-30:18:36:35] Error occurred during msi install operation; beginning rollback: [ErrorEvent type="error" bubbles=false cancelable=false eventPhase=2 text="1603" errorID=0]
[2015-12-30:18:36:35] Rolling back install of c:\users\barry\appdata\local\temp\air9e14.tmp\setup.msi
[2015-12-30:18:36:35] Rollback complete
[2015-12-30:18:36:35] Exiting due to error: [ErrorEvent type="error" bubbles=false cancelable=false eventPhase=2 text="1603" errorID=0]
[2015-12-30:18:36:35] Exiting due to error: [ErrorEvent type="error" bubbles=false cancelable=false eventPhase=2 text="1603" errorID=0]
[2015-12-30:18:36:35] Runtime Installer end with exit code 7
[2015-12-30:18:36:38] Runtime Installer end with exit code 7