Microsoft is continuing to block Windows 10 version 1809 on devices, to the latest, the company has blocked upgrade to October 2018 Update on the devices which use Morphisec and Cisco applications to address Microsoft office documents saving problem. Microsoft notes about the issue on Windows 1o update history page and says is working with Morphisec and Cisco for the issue not to occur in updated versions of the applications.
In the meantime, MS suggests affected users to uninstall affected applications and get updated versions for them from respective vendors.
Here are the details of the issue: “Microsoft and Morphisec have identified an issue on devices that have installed Morphisec Protector or another software development kit (SDK) including CISCO AMP for End Points. These applications may impact customers’ ability to save Microsoft Office Documents.”
Microsoft blocks Windows 10 1809 upgrade on Some PCs due to incompatible Intel drivers