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Symptoms

Consider the following scenario:

  • You have a computer that is running Windows 7 or Windows Server 2008 R2.

  • The computer has an NVIDIA USB Enhanced Host Controller Interface (EHCI) chipset.

  • The computer has at least 4GB of RAM.

  • You try to copy data from the computer to an external USB storage device.

In this scenario, either of the following issues occurs:

  • The computer stops responding.

  • The copy operation stops.

Notes

  • This issue may also occur when you are using USB devices other than storage devices.

  • This issue may also occur if you perform other input/output (I/O) operations on the USB storage device. In this situation, the I/O operations fail.

Resolution

Update information

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 7

Download Download the update package now.

All supported x64-based versions of Windows 7 and of Windows Server 2008 R2

Download Download the update package now.


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 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

There are no prerequisites to install this update.

Restart requirement

You have to restart the computer after you apply this update.

Update replacement information

This update does not replace any other updates.

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 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.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Usbccgp.sys

6.1.7600.16385

75,264

13-Jul-2009

23:51

x86

Usbhub.sys

6.1.7600.16445

258,560

24-Oct-2009

04:00

x86

Usbccgp.sys

6.1.7600.16385

75,264

13-Jul-2009

23:51

x86

Usbhub.sys

6.1.7600.20557

258,560

24-Oct-2009

03:55

x86

Usbd.sys

6.1.7600.16385

5,888

13-Jul-2009

23:51

Not Applicable

Usbehci.sys

6.1.7600.16445

41,984

24-Oct-2009

03:58

x86

Usbhub.sys

6.1.7600.16445

258,560

24-Oct-2009

04:00

x86

Usbohci.sys

6.1.7600.16385

20,480

13-Jul-2009

23:51

x86

Usbport.sys

6.1.7600.16385

284,160

13-Jul-2009

23:51

x86

Usbuhci.sys

6.1.7600.16385

24,064

13-Jul-2009

23:51

x86

Usbd.sys

6.1.7600.16385

5,888

13-Jul-2009

23:51

Not Applicable

Usbehci.sys

6.1.7600.20557

41,984

24-Oct-2009

03:54

x86

Usbhub.sys

6.1.7600.20557

258,560

24-Oct-2009

03:55

x86

Usbohci.sys

6.1.7600.16385

20,480

13-Jul-2009

23:51

x86

Usbport.sys

6.1.7600.16385

284,160

13-Jul-2009

23:51

x86

Usbuhci.sys

6.1.7600.16385

24,064

13-Jul-2009

23:51

x86

For all supported x64-based versions of Windows Server 2008 R2 and of Windows 7



File name

File version

File size

Date

Time

Platform

Usbccgp.sys

6.1.7600.16385

98,816

14-Jul-2009

00:06

x64

Usbhub.sys

6.1.7600.16445

343,040

24-Oct-2009

04:28

x64

Usbccgp.sys

6.1.7600.16385

98,816

14-Jul-2009

00:06

x64

Usbhub.sys

6.1.7600.20557

343,040

24-Oct-2009

04:24

x64

Usbd.sys

6.1.7600.16385

7,936

14-Jul-2009

00:06

x64

Usbehci.sys

6.1.7600.16445

51,712

24-Oct-2009

04:27

x64

Usbhub.sys

6.1.7600.16445

343,040

24-Oct-2009

04:28

x64

Usbohci.sys

6.1.7600.16385

25,600

14-Jul-2009

00:06

x64

Usbport.sys

6.1.7600.16385

324,608

14-Jul-2009

00:06

x64

Usbuhci.sys

6.1.7600.16385

30,720

14-Jul-2009

00:06

x64

Usbd.sys

6.1.7600.16385

7,936

14-Jul-2009

00:06

x64

Usbehci.sys

6.1.7600.20557

51,712

24-Oct-2009

04:24

x64

Usbhub.sys

6.1.7600.20557

343,040

24-Oct-2009

04:24

x64

Usbohci.sys

6.1.7600.16385

25,600

14-Jul-2009

00:06

x64

Usbport.sys

6.1.7600.16385

324,608

14-Jul-2009

00:06

x64

Usbuhci.sys

6.1.7600.16385

30,720

14-Jul-2009

00:06

x64


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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