The prerequisite Servicing Stack update (SSU) KB937287, required to install Vista SP1 that sent some systems into an endless reboot cycle, has now been fixed by Microsoft according to a recent post on the Microsoft Update Blog

The Microsoft Update team stated: “To address this problem for people who have not already installed the SSU, we are releasing a fix tomorrow (8 April) which will install prior to the SP1 Servicing Stack Update. This pre-SSU update helps to ensure a smooth install of the SSU by working to prevent the system from rebooting during the SP1 SSU installation. We also made additional changes to the SSU installer code, so that it checks for and requires the pre-SSU (KB949939) before it will install.”

“These two updates should now install seamlessly through Windows Update, in the proper order, so those of you with WU set to install updates automatically who haven’t already installed the SSU don’t have to take any further action. For those using the standalone download of SP1, the issues we encountered do not affect that method of installing at all.”

In another post on the Vista Team Blog Chris Flores confirmed that Windows Vista SP1 (in the first five languages) would commence distribution via automatic updates in mid April.

He also stated: “In addition to starting the automatic delivery of the first 5 languages, I wanted to take this opportunity to tell you that also we’re on track for the initial release of SP1 in the remaining languages in mid-April.”

About time!

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