You will need to contact Apple for support with this issue.
Additionally, you cannot install the 17.4.4 drivers on a Bootcamp/Mac system. You can only install the last available Bootcamp drivers.
I have 17.4.4 on my bootcamp, so how do you explain that? So i need to install a previous version?
Go to this page and manually select your drivers > Download Drivers
These are the last official AMD Bootcamp drivers released. Apple Boot Camp Software Graphics Drivers
Additionally, you have installed drivers from some third party website NOT AMD.
As mentioned earlier, all support for Mac products comes directly from Apple.
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