You can try to make a backup of the registry and then remove all the remains of the IntelliType driver entries from the registry editor by opening it via Regedit. Then simply remove the program by going into the path c:\program files\Microsoft IntelliType 2.0 and afterwards try to install IntelliType 7.0 and select Wireless Desktop Elite Keyboard or Digital Media Pro. Everything will start to work, only exlcuding the scroll wheel. After that you need to install AutoHotkey and write the below script in AutoHotkey and you can also make list it in the Windows Startup by making a shortcut in the Start menu:
Code:
; Microsoft Office Keyboard RT9450: Making the ScrollWheel work under Windows Vista. ScrollUp/Down Normal, Fast, Faster, Fastest
sc10B Up::Send {WheelDown}
sc111 Up::Send {WheelDown 3}
sc112 Up::Send {WheelDown 5}
sc11F Up::Send {WheelDown 7}
sc10B Down::Send {WheelUp}
sc111 Down::Send {WheelUp 3}
sc112 Down::Send {WheelUp 5}
sc11F Down::Send {WheelUp 7}
Return
; --------------------------------------------------
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