Windows 10 Update “May 2019 Update” will not be installed when ... usb-drives and memory cards connected to the PC

TechProm from Microsoft warns that there may be problems when installing a large May update Windows 10 - May 2019 Update.



Reason: blocking the possibility of updating the system on devices with an external hard drive or flash drive (via USB), as well as with an inserted memory card in the card reader, if it is on the PC \ laptop.



If an update is launched on a computer with connected external media, an error message will be displayed on the screen, the update process will stop, you will be able to install the update only after all external drives are disconnected.

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Link to support.microsoft article.



What is the problem with the update?



The Microsoft support article says:

“During the upgrade process to“ May 2019 Update, ”the disks may be incorrectly reassigned on their respective devices to which an external USB device or SD memory card is connected.”



Thus, if the user has a USB drive connected with a drive letter “D”, then after updating to “May 2019 Update” the letter could change, for example, to “E”.



The reason for the origin of such a possible reassignment is the incorrect operation of the mechanism for reassigning disks when updating.



And there is still such an interesting and frightening addition:

“The drive reassignment is not limited to removable drives. Internal hard drives can also be affected . ”



This is a very dangerous situation, which can cause some damage to some corporate systems, which after the update will start to function incorrectly, and Microsoft simply fixed the situation - they blocked the installation of the May update on PC \ laptops with connected external media.



Correction of this problem in Microsoft promise to release in one of the following updates, but not at the end of May 2019, when it will be.



Such a moment is interesting here - the mailing of the “Windows 10 May 2019 Update” update has not yet begun, and an article from support.microsoft warning about the problem has already appeared. Act preventive methods now in Microsoft.



It turns out that such a blocking of the update “May 2019 Update” will affect not all users of Windows 10, but only those who have updates installed:

• April 2018 Update (Windows 10, version 1803),
• October 2018 Update (Windows 10, version 1809).

There is a high probability that users with earlier versions of Windows 10 will be able to install the update “May 2019 Update” without any problems.