This update resolves some compatibility issues and reliability issues in Windows Vista. By applying this update, you can achieve better reliability and hardware compatibility in various scenarios.
This update resolves the following issues:
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The screen may go blank when you try to upgrade the video driver.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
932539 (http://support.microsoft.com/kb/932539/)
The screen may go blank when you try to upgrade the video driver on a Windows Vista-based computer
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The computer stops responding, and you receive a "Display driver stopped responding and has recovered" error message. You can restart the computer only by pressing the computer's power button.
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The computer stops responding or restarts unexpectedly when you play video games or perform desktop operations.
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The Diagnostic Policy Service (DPS) stops responding when the computer is under heavy load or when very little memory is available. This problem prevents diagnostics from working.
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The screen goes blank after an external display device that is connected to the computer is turned off. For example, this problem may occur when a projector is turned off during a presentation.
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There are stability issues with some graphics processing units (GPUs). These issues could cause GPUs to stop responding (hang).
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Visual appearance issues occur when you play graphics-intensive games.
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You experience poor playback quality when you play HD DVD disks or Blu-ray disks on a large monitor.
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Applications that load the Netcfgx.dll component exit unexpectedly.
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Windows Calendar exits unexpectedly after you create a new appointment, create a new task, and then restart the computer.
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Internet Connection Sharing stops responding after you upgrade a computer that is running Microsoft Windows XP to Windows Vista and then restart the computer.
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The Printer Spooler service stops unexpectedly.
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You receive a "Stop 0x0000009F" error when you put the computer to sleep while a Point-to-Point Protocol (PPP) connection is active.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
931671 (http://support.microsoft.com/kb/931671/)
Error message when you put a Windows Vista-based computer to sleep while a PPP connection is active: "STOP 0x0000009F"
For more information about the latest service pack for Windows Vista, click the following article number to view the article in the Microsoft Knowledge Base:
935791 (http://support.microsoft.com/kb/935791/) How to obtain the latest Windows Vista service pack
The following files are available for download from the Microsoft
Download Center:
Update for Windows Vista
Download the 938194 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=AE2F819D-C33D-48DB-A7E3-62EEF7C1F7C2)
Update for Windows Vista for x64-based Systems
Download the 938194 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=5B7F1544-FEF3-4C80-AF1A-8B732DCB2756)
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 (http://support.microsoft.com/kb/119591/) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Prerequisites
No prerequisites are required.
Restart requirement
You must restart the computer after you apply this update.
Update replacement information
This update does not replace any other updates.
File information
The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
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Download the 938194 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=AE2F819D-C33D-48DB-A7E3-62EEF7C1F7C2)
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