

The upgrade blockade has therefore been removed. Microsoft states that this issue was resolved as of Novemwith an updated Windows driver. The upgrade stopper also applied to Windows 10 version 1809. Users attempting to upgrade to Windows 10, version 1903, received an intcdaud.sys notification if the affected Intel Audio Display device driver ( intcdaud.sys, versions 10.25.0.3 to 10.25.0.8) was installed on the computer. Microsoft had stopped an upgrade for affected devices. This problem resulted in increased battery power consumption. Microsoft and Intel had already identified a problem with a number of Intel display audio device drivers in May 2019. The upgrade blocker was removed on November 22, 2019. An updated Wi-Fi driver should be available from the device manufacturer (OEM). Microsoft states that this issue has been resolved with an updated Qualcomm Wifi driver. There was also the problem that users got older devices WLAN problems due to an outdated Qualcomm driver causing the loss of Wi-Fi connectivity. Qualcom WiFi intermitted connection failures fixed The upgrade blocker for Windows 10 versions 19 has been removed. Microsoft states as of Novemthat this issue has been resolved with an updated driver for the affected Realtek Bluetooth adapter. The issue affected Windows 10 version 1903 and also version 1909, as well as the server variants. To safeguard your update experience, we have applied a compatibility hold on devices with affected driver versions for Realtek Bluetooth radios from being offered Windows 10, version 1903 or Windows Server, version 1903 until the driver has been updated. Microsoft has identified compatibility issues with some driver versions for Bluetooth radios made by Realtek. Unable to discover or connect to Bluetooth devices using some Realtek adapters Windows could no longer connect to the adapters. Since May 2019 there have been problems with Bluetooth adapters from Realtek in Windows 10 Version 1903. Microsoft maintains a list of known issues for Windows 10 (V1809 to 1909), which can be found here. Microsoft will then set an upgrade stopper for known problems. When upgrading a Windows 10 system to the new version 1903 (May 2019 update) or version 1909 (November 2019 update), there may be several issues.
