These are the reasons Microsoft won't let your PC upgrade to the Windows 10 May 2019 Update

Despite intensive testing, Microsoft has not quite fixed all the issues with the May 2019 Update for Windows 10, and to avoid a recurrence of the October 2018 Update fiasco, Microsoft is being very cautious about who they are letting install the new version of the OS.

If your PC has any of the following 3 criteria Microsoft will block the install of the May 2019 Update.

These include:

1. Devices that have external USB devices attached to the PC or SD memory cards inserted, are blocked from the May 2019 Update. Admins may receive the “what needs your attention” message in that case. The issue is resolved in Windows Insider Builds 18877 and later already; admins who want to install the feature update need to unplug external USB devices and remove SD memory cards to do so.
2. Devices with “older anti-cheat software” are blocked from updating to the new release as well. Microsoft does not reveal which anti-cheat programs cause the issue, only that older versions of these programs are responsible. The solution in this case would be to either update the anti-cheat software or game in question, or remove it from the system before installing the update.
3. On systems with redirected System folders, e.g. Desktop, Documents, or Pictures, an empty folder is created in the original user profile location during the update. This may cause confusion, but files are not deleted in the process and Microsoft states that a fix is being worked on.

The first two issues may be quite common, suggesting the initial roll-out of the OS, expected of course in May, will be very slow. It is clear however that Microsoft has learned that Facebook’s slogan of Move Fast and Break Things does not really apply to them.

Via Ghacks.net