After you install Windows Vista Service Pack 1 (SP1), Microsoft Windows Mobile Device Center does not connect to your Windows Mobile-based device. Therefore, you cannot synchronize your computer and the device.

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To resolve this problem, reinstall Windows Mobile Device Center. To do this, follow these steps:

1.	Click Start , and then click Control Panel.
2.	Click Programs, and then click Programs and Features. Note If you are using Classic View in Control Panel, double-click Programs and Features.
3.	In the list of programs, click Windows Mobile Device Center, and then click Uninstall.
4.	In the Programs and Features dialog box, click Yes.
5.	Repeat steps 1 through 4 to uninstall Windows Mobile Device Center Driver Update.
6.	Install the latest version of Windows Mobile Device Center. For information about how to obtain the latest version, visit the following Microsoft Web site: http://www.microsoft.com/windowsmobile/devicecenter.mspx (http://www.microsoft.com/windowsmobile/devicecenter.mspx)

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

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