Select Check for Updates again, it should be offered and install as expected. If you are offered Realtek Bluetooth drivers and they install successfully, then you should now be able to update to Windows 10, version 1909 or Windows 10, version 1903. You should first try manually checking for updates. To safeguard your update experience, we have applied a compatibility hold on devices with affected driver versions for Realtek Bluetooth radios from installing Windows 10, version 1909 or Windows 10, version 1903 until the driver has been updated. Any earlier version of the driver is affected by this issue. You will need to update to driver version or later to remove this safeguard hold.
Microsoft has identified compatibility issues with some driver versions for Bluetooth radios made by Realtek.
Windows 10, version 1909 and Windows 10, version 1903: If you are trying to update to the Windows 10 November 2019 Update (Windows 10, version 1909), the Windows Feature Update (Windows 10, version 1903), or the Windows 10 October 2018 Update (Windows 10, version 1809), you may encounter an update compatibility hold and receive the message, 'Realtek Bluetooth: Your PC has a driver or service that isn't ready for this version of windows 10.
