n Aprils raft of patches, hotfixes and updates delivered via SUS, WSUS or Windows Update; Microsoft chose to release Windows Installer 3.1 the updated version of the install engine Microsoft has been pushing for the last 2 years.

However at the beginning of the week Steven Bink of bink.nu noticed that the update had been pulled from SUS, further inspection showed that it had in fact gone totaly missing from the Microsoft Website. Many have pointed to KB Article 898628

This blunder by Microsoft could cause some major headaches for IT Administrators who rely of Group Policy Software Management to install and update software throughout their enterprise.