Hello,
Thank you for joining Advanced Installer forum.
Once you add a file to the project, Advanced Installer will create for you a feature. You can go in the Organization page to see the feature that contains your .inf file. If that feature will not be installed all the files contained by it won't be installed at all.
If you still have this issue please send us the .AIP (project file) and a
verbose log of the installation to
support at advancedinstaller dot com so we can investigate them.
Best regards,
Dan