It is only two months since Microsoft released two performance, compatibility and reliability updates for Windows Vista. Now, there is again a similar update. Some of the improvements were expected to be released with Vista SP1 only. Microsoft seems nervous to me, presumably because of the many complaints and the plunging retail sales.

I  think in XP times they would have waited until SP1 is out. Microsoft recommends applying this update only if you experienced one of the problems, else you should wait for SP1. This shows how eager Microsoft is to silence Vista critics. Another, more positive, interpretation would be that they indeed want to attach less importance to Windows service packs in the future.

By the way, I would really be very careful with this update. A colleague installed it today and it completely crashed his computer. He was not even able to boot into safe mode. He had to boot from a Vista DVD and use its repair function to get his machine running again.

The updates can be downloaded here: Vista x86 and Vista x64. And here is the description which I just copied from the update’s KB article:

  • It extends the battery life for mobile devices.
  • It improves the stability of portable computers and of desktop computers that use an uninterruptable power supply (UPS).
  • It improves the reliability of Windows Vista when you open the menu of a startup application.
  • It improves the stability of Internet Explorer when you open a Web page.
  • It improves the stability of wireless network services.
  • It shortens the startup time of Windows Vista by using a better timing structure.
  • It shortens the recovery time after Windows Vista experiences a period of inactivity.
  • It shortens the recovery time when you try to exit the Photos screen saver.
  • It improves the stability of Windows PowerShell.

This update also resolves the following issues in Windows Vista:

  • A compatibility issue that affects some third-party antivirus software applications.
  • A reliability issue that occurs when a Windows Vista-based computer uses certain network driver configurations.

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