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This article contains an update that resolves issues that
may affect some Windows Vista-based computers. These issues have been reported
by customers who use the Error Reporting service or Microsoft Customer Support
Services.
This update improves performance, responsiveness, and
reliability of Windows Vista in various scenarios. This update resolves the
following issues on a Windows Vista-based computer:
You receive a "Stop 0x000000A0" error when you try to
switch the computer to the hibernate state.
You receive a "Stop 0x0000009f" error when you switch the
computer to the hibernate state or to the standby state. Or, you receive this
Stop error when you resume the computer from the hibernate state or from the
standby state. This problem occurs on a computer that has a wireless network
connection.
The disk does not spin down after a specified time of
inactivity.
Additionally, this update can help improve performance when you
perform operations that are related to large disk I/O. After you apply this
update, you may notice up to a 15 percent performance improvement in some
copying operations and when moving some large files.
To resolve this problem, obtain the latest service pack for Windows Vista. For more information, 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
You can also download the update package and then manually apply
it. The following files are available for download from the Microsoft Download
Center.
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 hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English
version of this hotfix 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.
Some users may experience a known issue after they manually
apply this update from the Microsoft Download Center. In this issue, users may
be unable to use Windows Explorer to eject removable media. However, only some
users may experience this problem. To resolve this known issue, apply hotfix
941673.
For more information, click the following article
number to view the article in the Microsoft Knowledge Base:
941673
(http://support.microsoft.com/kb/941673/
)
After you add the CopyFileBufferedSynchronousIo registry entry in Windows Vista, a file copies only slightly more quickly when you use Windows Explorer to copy the file to another computer
Hard disk drives may not be recognized after update 943899
is applied. Certain SATA hard disk drives are not recognized after a computer
resumes from sleep or hibernation when v1.0 of update 934899 has been applied.
The drives are sent incorrect data, and the data changes several hard disk
settings. One of these settings is “power up on standby mode." This behavior
keeps the hard disk from spinning, and the system will not start. This
hard disk problem was resolved by v2.0 of update 943899 which was published on
February 11, 2008.
If you install this fix, you do not have to install
security update 943078 (security bulletin MS07-066). This article contains all
the fixes that are included in security update 943078.
For more information about software
update terminology, click the following article number to view the article in
the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/
)
Description of the standard terminology that is used to describe Microsoft software updates
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