Windows 10 October update removes user certificates on PC and prevents Office update: Here's how to fix it



Microsoft has now reported that the Windows 10 KB4580364 update is causing some issues on the computers it is installed on, with builds 19041.610 and 19042.610. Specific, this update is causing loss of user certificates, which is a serious problem.



On the other hand, the update is making the Office applications unable to update. They are, therefore, two problems that can affect a large number of users, since Office is as relevant as it has, and at the time we are faced with the pandemic, more and more users are using certificates to carry out procedures with the Administration electronically.




The good news is that the update is optionalSo if you haven't installed it consciously, you probably don't have any of these problems.


What Microsoft Recognizes and How to Fix It




Office



In the known update errors, Microsoft acknowledges that "user and system certificates can be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10". However, he points out that "devices will only be affected if they have already installed the latest cumulative update released on September 16, 2020 or later, and then you have proceeded to upgrade to a later version of Windows 10 from an installation source or media that does not have a cumulative update of October 13 or later installed. "



As we see, It is not the most common situation for home users, but something more on computers controlled by administrators who may have updated them using update packages or tools. Microsoft also says that one of those media can be physical or ISO images that don't have the latest updates built in.



In the case of certificates, Microsoft states that by uninstalling the update, the user can take advantage of the rollback window of 10 or 30 days back to which the system is able to return depending on the update. Still, they claim to be working on an update.




The same goes for Office updates, which throw the error "Download of Office 365 file failed, error =". Microsoft Director of Engineering David James, the solution to this is to uninstall the patch, update Office, and then reinstall the patch that caused the problem.



Via | Windows Latest






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