Under the HME folder is another folder titled: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MediaPlayer\Preferences\HME\S-1-5-21-1735718056-2214544177-2514508359-1000, Then a DWORD key named "AcceptedPrivacyStatement" with a value of "1"
I'm adding "DisableDiscovery" under that key. I'll see what happens...