Hello Anthony and welcome to our forums,
If I understand correctly here, your issue is the fact that the permissions on the files already present in the folder are kept.
Could you please make sure that, in Advanced Installer, the
"Keep existing permissions" options is unchecked?
- Screenshot_1.png (72.87 KiB) Viewed 861 times
Keep existing permissions
The default permissions from target folder on disk at install time will be preserved and the new permissions will be added on top of them.
Hope this helps!
Best regards,
Catalin