I have an office 2007 msi thinapp package that launches the windows installer service on the first run of the application. I will be deploying this msi via Symantec software streaming so having an msi launch from within the package the first time the user runs it is a serious problem.
When the msi of office is run on the machine I use for captures (run at a previous point that is clean) the windows installer does not launch on the first run of the application but any other machine seems to cause office to run windows installer.
The installer never asks to activate the product or offers any prompts and we are using a corporate key so I don't think that it is a license based issue.
When the standard exe of the application is used it works normally.
logs can be found here: http://dl.getdropbox.com/u/1310047/logs.rar