KB941649

This update improves the compatibility, reliability, and stability of Windows Vista. This update includes the following improvements:

  • 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 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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