Windows Logo Program requires that the unins000.exe, generated by Inno, is signed.
The only way I devised to do that is by unpacking the installer, signing and then repacking it again. Isn’t there an easier way?
I have found an Inno Unpacker, but I’m not sure about how to repack it.
In version 5.2.4 of InnoSetup, a new [Setup] section directive was added to help sign setup.exe and the uninstall:
Source: http://www.jrsoftware.org/files/is5-whatsnew.htm