windows vista uac issues

[Antoine Martin]

At then end of the installation on win6.1:
Create process failed; code 740
This is probably InnoSetup? trying to launch the application it has just installed. The "details" on this error are totally unhelpful.

When starting the software, it asks every time Do you want to allow the following program from an unknown publisher to make changes to this computer.
Maybe this is the logfile we are trying to open? (it obviously does not tell you anything remotely helpful to diagnose)

The download link for mDNS "Download from apple.com" should popup a browser, but instead you get:
The application was unable to start correctly (0xc00000a5). Click OK to close the application.