Update information
How to obtain this update
A supported update is available from Microsoft.
If the update is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the update.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific update. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
Note The "Hotfix download available" form displays the languages for which the update is available. If you do not see your language, it is because an update is not available for that language.
Prerequisites
To apply this update, your computer must be running Windows 7 or Windows Server 2008 R2.
Registry information
To use the update in this package, you do not have to make any changes to the registry.
Restart requirement
You must restart the computer after you apply this update.Update replacement information
This update does not replace a previously released update.File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 and Windows Server 2008 R2 file information notes
- The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
| Version | Product | Milestone | Service branch |
|---|
6.1.760
0.16xxx | Windows 7 and Windows Server 2008 R2 | RTM | GDR |
6.1.760
0.20xxx | Windows 7 and Windows Server 2008 R2 | RTM | LDR |
- GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
- The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
| File name | File version | File size | Date | Time | Platform |
|---|
| Winusb.sys | 6.1.7600.16421 | 35,840 | 11-Sep-2009 | 03:00 | Not applicable |
| Winusb.sys | 6.1.7600.20525 | 35,840 | 11-Sep-2009 | 03:01 | Not applicable |
| Winusb.sys | 6.1.7600.16421 | 35,840 | 11-Sep-2009 | 03:00 | Not applicable |
| Winusb.sys | 6.1.7600.20525 | 35,840 | 11-Sep-2009 | 03:01 | Not applicable |
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
| File name | File version | File size | Date | Time | Platform |
|---|
| Winusb.sys | 6.1.7600.16421 | 41,472 | 11-Sep-2009 | 03:29 | x64 |
| Winusb.sys | 6.1.7600.20525 | 41,472 | 11-Sep-2009 | 03:21 | x64 |
| Winusb.sys | 6.1.7600.16421 | 41,472 | 11-Sep-2009 | 03:29 | x64 |
| Winusb.sys | 6.1.7600.20525 | 41,472 | 11-Sep-2009 | 03:21 | x64 |
For all supported IA-64-based versions of Windows Server 2008 R2
| File name | File version | File size | Date | Time | Platform |
|---|
| Winusb.sys | 6.1.7600.16421 | 111,616 | 11-Sep-2009 | 02:48 | IA-64 |
| Winusb.sys | 6.1.7600.20525 | 111,616 | 11-Sep-2009 | 02:48 | IA-64 |