This Update' package was first released on April 7, and contains a cumulative set of security fixes for that original Windows 8.1. However, there have been a few issues when the update was released, with a few users reporting compatibility problems with the Windows Server Update Services (WSUS) component.

It is likely that many users will not be affected  anyone who has automatic updates started up must have already received the cheap windows 8.1 professional Update . However, those who manage updates manually will need to make certain its installed if they're to receive further system updates afterwards.

The loss of support for updates is definitely an obvious security hazard for those who're still running the older Windows 8.1, but it's only likely to affect a small number of users. That is because automatic updates are usually enabled out of the box, and most IT departments will keep stuff that way. Also, Windows 8.1 (Update or otherwise) is currently only running on 4.89 percent of all PCs, compared to 6.41 percent for Windows 8, and 48.77 percent for cheap microsoft office 2013 , according to the newest data from Net Applications.

Right now, its the 27.69 percent of computers that are still running microsoft office 2010 that remain a much bigger security concern.