UPDATE: As of Friday, October 5, 2018, Microsoft has now pulled Windows 10 1809 due to an overwhelming amount of reported bugs. See: Microsoft Removes Buggy Windows 10 1809 Upgrade
UPDATE: Intel has now supplied a new audio driver to resolve this issue. See: Intel Supplies Audio Driver Update to Solve Windows 10 1809 Upgrade Problems. This doesn’t work in all situations. Make sure it works with your computer.
Reports are starting to mount from Windows 10 customers having issues upgrading to Microsoft’s October update (version 1809). The reports are just here and there, there’s a continuing and steady murmur about problems not uncovered during the final days of testing this update. As anyone that has to deal with Microsoft patches for a living knows, this is par for the course for any Windows updates. So far, there are reports of crashes, computers that stop working, and even slighter but still annoying problems where Edge wipes out all saved bookmarks.
One problem, in particular, is an incompatibility issue with Intel audio drivers that Microsoft is already aware of. The Windows 10 update history for 1809 has already been updated with this known issue.
Intel Audio displays an intcdaud.sys notification. Microsoft and Intel have identified a compatibility issue with a range of Intel Display Audio device drivers that may result in excessive processor demand and reduced battery life. As a result, the update process to Windows 10, version 1809 fails (KB4465877).
Customers who see this notification when setting up their Windows 10 October 2018 Update have an Intel Audio Display device driver (intcdaud.sys, versions 10.25.0.3 – 10.25.0.8) installed on their systems.
On the “What needs your attention notification”, select the back button to remain on your current version of Windows 10. To ensure a seamless experience, we are blocking devices from being offered Windows 10, version 1809 until updated Intel device drivers are installed on your current operating system. See knowledge base article 4465877 for further information.
We recommend that you do not attempt to manually update to Windows 10, version 1809 using the Update Now button or the Media Creation Tool from the Microsoft Software Download Center. Wait until newer Intel device drivers are available with the update.
Stay tuned. We’ll be unwrapping each reported issue as new items are revealed.
Microsoft is actively blocking the upgrade to computers with this particular Intel audio driver issue. They will continue to block it until Intel has resolved the problem. However, this is only for those that wait for Windows 10 1809 to show up through Windows Update. Those that try to update manually will still experience the issue.
One of these days it would be great if Microsoft could explain how it has so many “Insider” testers and works so closely with its hardware partners, yet something like this is still not uncovered during testing.
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