You experience one or both of the following symptoms:

•	When you connect the Zune device to a computer, the Found New Hardware wizard appears. If you click Install the software automatically (Recommended) and then click Next, you receive the following error message: The software you are installing for this hardware: Zune has not passed Windows Logo testing to verify its compatibility with Windows XP
•	In Device Manager, a yellow exclamation mark (!) appears on the icon for the Zune device that is listed under Portable Devices.

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This problem may occur when the Cryptographic Services service in Microsoft Windows does not verify the digital signature for the driver.

Note The Zune device driver does contain the correct digital signature.

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The system policy on your computer may be set to warn you about unsigned driver software during hardware installation. To work around this issue, click Continue Anyway in the notification message.

If the system policy on your computer is set to block unsigned driver software during hardware installation, you cannot work around this issue. You may have to resolve the failure of the service that checks for driver signatures.

To resolve this problem, set the startup for the Cryptographic Services service to Automatic. Then try to install the software again. To set the Cryptographic Services to Automatic startup, follow these steps:

1.	Click Start, click Run, type services.msc, and then click OK.
2.	Right-click Cryptographic Services, and then click Properties.
3.	In the Startup type box, click Automatic.
4.	If the service is stopped, click Start. If the service is running, click Stop, and then click Start again after the service stops.

For more information about how to troubleshoot issues with Cryptographic services, click the following article number to view the article in the Microsoft Knowledge Base: After you complete these steps, reconnect your device to install the software automatically if you are prompted. If the driver installation has been canceled, you may not be prompted to install it again. Therefore you may have to manually install the drivers.

To manually install the drivers, follow these steps:

1.	Click Start and then right-click My Computer.
2.	Click Properties, and then click Device Manager.
3.	Locate Zune under Portable Devices. Note A yellow exclamation mark may appear on the device icon.
4.	Right-click Zune, and then click Properties.
5.	Click the Driver tab, and then click Update Driver.
6.	Click Install the software automatically (Recommended), and then click Next.
7.	After the driver installation is completed, click Finish.

If Windows does not find the necessary drivers, follow these steps to manually locate the drivers:

1.	Click Start, and then right-click My Computer.
2.	Click Properties, and then click Device Manager.
3.	Locate Zune under Portable Devices. Note A yellow exclamation mark may appear on the device icon.
4.	Right-click Zune, and then click Properties.
5.	Click the Driver tab, and then click Update Driver.
6.	Click Install from a list or specific location (Advanced), and then click Next.
7.	Click Don’t search. I will choose the driver to install, and then click Next.
8.	Click Have Disk, and then click Browse.
9.	In the Look in box, click Local Disk (C:).
10.	Double-click Program Files, and then double-click Zune.
11.	Click Zune, and then click Open.
12.	Click OK, and then click Next.
13.	After the driver installation is completed, click Finish.

If you still cannot install the drivers, remove and then reinstall the Zune software. Reconnect the device when you are prompted during the installation.

If you have administrative credentials on the computer, you can temporarily change the Driver Signing options to work around this problem. To do this, follow these steps:

1.	Click Start, and then right-click My Computer.
2.	Click Properties.
3.	Click the Hardware tab, and then click Driver Signing under Drivers.
4.	Note the current setting, and then click Ignore – Install the software anyway and don’t ask for my approval.
5.	Connect the Zune device. Choose to install the software automatically when you are prompted.
6.	After the installation is complete, repeat steps 1-4 to change back to the setting that you noted in step 4.

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